DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years.

DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years. Ten years after he stopped crying, he died. If he had lived to be 80, how many years was he a widower? ANSWER: Acceleration- Equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns. (pg 288)

DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years. Ten years after he stopped crying, he died. If he had lived to be 80, how many years was he a widower? ANSWER: 25 years Acceleration- Equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns. (pg 288)

DAY 2 BRAINTEASER / WOD If Susan is 10, Arabella is 20, and Jim and Neal are both 5, but Richard is 10, how much is Jennifer by the same system? ANSWER: Balanced Forces- Two or more forces whose effects cancel each other out and do not change the motion of an object (pg 311)

DAY 2 BRAINTEASER / WOD If Susan is 10, Arabella is 20, and Jim and Neal are both 5, but Richard is 10, how much is Jennifer by the same system? ANSWER: Jennifer is 15. Five points for each syllable in the name of the person. Balanced Forces- Two or more forces whose effects cancel each other out and do not change the motion of an object (pg 311)

DAY 3 BRAINTEASER / WOD If 2 hours ago it was as long after one o’clock in the afternoon as it was before one o’clock in the morning, what time would it be now? ANSWER:. Carbohydrates- Organic compounds containing only carbon, hydrogen, and oxygen; starches, cellulose, glycogen, sugars. (pg 264)

DAY 3 BRAINTEASER / WOD If 2 hours ago it was as long after one o’clock in the afternoon as it was before one o’clock in the morning, what time would it be now? ANSWER:.It would be 9 o’clock in the morning! Carbohydrates- Organic compounds containing only carbon, hydrogen, and oxygen; starches, cellulose, glycogen, sugars. (pg 264)

DAY 4 BRAINTEASER / WOD Two boxers are in a boxing match (regular boxing, not kick boxing). The fight is scheduled for 12 rounds but ends after 6 rounds, after one boxer knocks out the other boxer. Yet, no man throws a punch. How is this possible? ANSWER:. Data- Information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings. (pg 28)

DAY 4 BRAINTEASER / WOD Two boxers are in a boxing match (regular boxing, not kick boxing). The fight is scheduled for 12 rounds but ends after 6 rounds, after one boxer knocks out the other boxer. Yet, no man throws a punch. How is this possible? ANSWER: They were female boxers!!!!! Data- Information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings. (pg 28)

DAY 5 BRAINTEASER / WOD I am eight letters long-”1,2,3,4,5,6,7,8”
My 1,2,3,4 is an atmospheric condition My 3,4,5,6,7 supports a plant My 4,5,6,7 is to appropriate My 6,7,8 is a name What word am I? ANSWER: Eardrum- Membrane stretching across the ear canal that vibrates when sound waves reach the middle ear (pg 508)

DAY 5 BRAINTEASER / WOD I am eight letters long-”1,2,3,4,5,6,7,8”
My 1,2,3,4 is an atmospheric condition My 3,4,5,6,7 supports a plant My 4,5,6,7 is to appropriate My 6,7,8 is a name What word am I? ANSWER: Mistaken Eardrum- Membrane stretching across the ear canal that vibrates when sound waves reach the middle ear (pg 508)

DAY 6 BRAINTEASER / WOD With thieves I consort, With the vilest, in short, I’m quite at my ease in depravity; Yet all divines use me, and savants can’t lose me, For I am the center of gravity. Who or what am I? ANSWER: Fluid- A substance that has no definite shape and can flow (pg 343)

DAY 6 BRAINTEASER / WOD With thieves I consort, With the vilest, in short, I’m quite at my ease in depravity; Yet all divines use me, and savants can’t lose me, For I am the center of gravity. Who or what am I? ANSWER: The letter “V”! Gra V ity Fluid- A substance that has no definite shape and can flow (pg 343)

DAY 7 BRAINTEASER / WOD Two mothers and two daughters were fishing. They managed to catch one big fish, one small fish, and one fluffy fish. Since only three fish were caught, how is it possible that they each took home a fish? ANSWER: Gamma Ray- Highest-energy electromagnetic waves with the shortest wavelengths and highest frequencies (pg 530)

DAY 7 BRAINTEASER / WOD Two mothers and two daughters were fishing. They managed to catch one big fish, one small fish, and one fluffy fish. Since only three fish were caught, how is it possible that they each took home a fish? ANSWER: 1 grandmother, 1 mother, and 1 daughter Gamma Ray- Highest-energy electromagnetic waves with the shortest wavelengths and highest frequencies (pg 530)

DAY 8 BRAINTEASER / WOD If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle? ANSWER: Heat- Movement of thermal energy from a substance at a higher temperature to a substance at a lower temperature (pp 108, 438)

DAY 8 BRAINTEASER / WOD If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle? ANSWER: Push the cork into the bottle and shake the coin out! Heat- Movement of thermal energy from a substance at a higher temperature to a substance at a lower temperature (pp 108, 438)

DAY 9 BRAINTEASER / WOD What is at the beginning of eternity, the end of time, the beginning of every end, and the end of every place? ANSWER: Inclined Plane- Simple machine that is a flat surface, sloped surface, or ramp (pg 417)

DAY 9 BRAINTEASER / WOD What is at the beginning of eternity, the end of time, the beginning of every end, and the end of every place? ANSWER: The letter “e”! Inclined Plane- Simple machine that is a flat surface, sloped surface, or ramp (pg 417)

DAY 10 BRAINTEASER / WOD A snail is at the bottom of a well 30 feet deep. It crawls up 3 feet each day, but a night, it slips down 2 feet. How long does it take for the snail to crawl out of the well? ANSWER: Kelvin- SI unit for temperature (pg 54)

DAY 10 BRAINTEASER / WOD A snail is at the bottom of a well 30 feet deep. It crawls up 3 feet each day, but a night, it slips down 2 feet. How long does it take for the snail to crawl out of the well? ANSWER: 28 Days Kelvin- SI unit for temperature (pg 54)

DAY 11 BRAINTEASER / WOD A boy leaves his house one summer day, and began to run into the woods to his grandmother’s house which is on the other side of the woods. It should be known that the boy reached his grandmother’s house. How far did the boy run into the woods? ANSWER: Law of Conservation of Energy- States that energy can change its form but is never created or destroyed.

DAY 11 BRAINTEASER / WOD A boy leaves his house one summer day, and began to run into the woods to his grandmother’s house which is on the other side of the woods. It should be known that the boy reached his grandmother’s house. How far did the boy run into the woods? ANSWER: Halfway. From that point on he would be running out of the woods and not in! Law of Conservation of Energy- States that energy can change its form but is never created or destroyed.

DAY 12 BRAINTEASER / WOD You have two hour glasses—a four-minute glass and a 7-minute glass. You want to measue 9 minutes. How do you do it? ANSWER: Magnetic Domain- Group of atoms whose fields point in the same direction. (pg 616)

DAY 12 BRAINTEASER / WOD You have two hour glasses—a four-minute glass and a 7-minute glass. You want to measue 9 minutes. How do you do it? ANSWER: Start both hour glasses. When the 4-minute runs out, turn it over (4 minutes have elapsed). When the 7 minute runs out, turn it over (7 minutes elapsed). When the 4-minute glass runs out this time (8 minutes have elapsed), the 7-minute glass has been running for 1 minute. Turn it over once again. When it stops, 9 minutes have elapsed. Magnetic Domain- Group of atoms whose fields point in the same direction. (pg 616)

DAY 13 BRAINTEASER / WOD What is the easiest way to throw a ball, have it stop, and completely reverse direction after traveling a short distance? ANSWER:. Natural Frequencies- Frequencies at which an object will vibrate when it is struck or disturbed. (pg 501)

DAY 13 BRAINTEASER / WOD What is the easiest way to throw a ball, have it stop, and completely reverse direction after traveling a short distance? ANSWER:.Throw the ball straight up! Natural Frequencies- Frequencies at which an object will vibrate when it is struck or disturbed. (pg 501)

DAY 14 BRAINTEASER / WOD If there are 15 crows on a fence and the farmer shoots 1/3 of them, how many are left? ANSWER: Ohm’s Law- States that the current in a circuit equals the voltage divided by the resistance in the circuit.

DAY 14 BRAINTEASER / WOD If there are 15 crows on a fence and the farmer shoots 1/3 of them, how many are left? ANSWER: None! They all flew off when they heard the shot!!!!! Ohm’s Law- States that the current in a circuit equals the voltage divided by the resistance in the circuit.

DAY 15 BRAINTEASER / WOD An electric train is traveling southwest at 95 mph, and the wind is blowing northeast at 95 mph. In which direction does the smoke blow? ANSWER: Parallel Circuit- Circuit that has more than one path for electric current to flow.

DAY 15 BRAINTEASER / WOD An electric train is traveling southwest at 95 mph, and the wind is blowing northeast at 95 mph. In which direction does the smoke blow? ANSWER: There is no smoke with an electric train!!!!! Parallel Circuit- Circuit that has more than one path for electric current to flow.

DAY 16 BRAINTEASER / WOD The Lone Ranger rode into town on Friday. He stayed 5 consecutive days and left on Friday! How is this possible? ANSWER: Radiant Energy- Energy carried by an electromagnetic wave. (pp. 377,524)

DAY 16 BRAINTEASER / WOD The Lone Ranger rode into town on Friday. He stayed 5 consecutive days and left on Friday! How is this possible? ANSWER: His horses name was Friday! Radiant Energy- Energy carried by an electromagnetic wave. (pp. 377,524)

How much dirt is in a hole 3 feet deep and 6 inches in diameter?
DAY 17 BRAINTEASER / WOD How much dirt is in a hole 3 feet deep and 6 inches in diameter? ANSWER: Salts- Compounds make of a metal and a nonmetal that are formed along with water when acids and bases react with each other. (p. 142)

How much dirt is in a hole 3 feet deep and 6 inches in diameter?
DAY 17 BRAINTEASER / WOD How much dirt is in a hole 3 feet deep and 6 inches in diameter? ANSWER: There is no dirt in a hole!!!!!!!! Salts- Compounds make of a metal and a nonmetal that are formed along with water when acids and bases react with each other. (p. 142)

DAY 18 BRAINTEASER / WOD Two men were being tried for murder. The jury found one man guilty and the other innocent. The judge turned to the guilty man and said, “Even though your guilt has been established, the law compels me to set you free.” How could such a bizarre judgment occur? ANSWER: Table- Presents information in rows and columns, making it easier to read and undrstand. (pg. 57)

DAY 18 BRAINTEASER / WOD Two men were being tried for murder. The jury found one man guilty and the other innocent. The judge turned to the guilty man and said, “Even though your guilt has been established, the law compels me to set you free.” How could such a bizarre judgment occur? ANSWER: They were Siamese twins Table- Presents information in rows and columns, making it easier to read and understand. (pg. 57)

DAY 19 BRAINTEASER / WOD There was a guy who had a Fox, a Chicken, and a bag of grain. He had to cross a river to get back home, but he could only take one item at a time. He could only take the fox, or the grain, or the chicken. Well, if you leave a chicken and a fox on one side of the river while taking the bag of grain across, the fox will eat the chicken, same thing with the chicken and the grain. Can’t leave those two alone or the chicken will eat the grain. How do you get them all across the river safely? ANSWER: Ultraviolet Radiation- Electromagnetic waves with wavelengths between 0.4 millionths of a meter and 10 billionths of a meter; has frequencies and wavelengths between visible light and X-rays. (p. 529)

DAY 19 BRAINTEASER / WOD There was a guy who had a Fox, a Chicken, and a bag of grain. He had to cross a river to get back home, but he could only take one item at a time. He could only take the fox, or the grain, or the chicken. Well, if you leave a chicken and a fox on one side of the river while taking the bag of grain across, the fox will eat the chicken, same thing with the chicken and the grain. Can’t leave those two alone or the chicken will eat the grain. How do you get them all across the river safely? ANSWER: Take the chicken first and come back. Get the grain, take it across and take the chicken back with you. Leave the chicken and take the fox and come back. Get the chicken……… Ultraviolet Radiation- Electromagnetic waves with wavelengths between 0.4 millionths of a meter and 10 billionths of a meter; has frequencies and wavelengths between visible light and X-rays. (p. 529)

How many times can you subtract the number 5 from the number 25?
DAY 20 BRAINTEASER / WOD How many times can you subtract the number 5 from the number 25? ANSWER: Vaporization- Change of matter from a liquid state to a gas. (pg. 112)

How many times can you subtract the number 5 from the number 25?
DAY 20 BRAINTEASER / WOD How many times can you subtract the number 5 from the number 25? ANSWER: One time! The next try will be 5 from 20!!! Vaporization- Change of matter from a liquid state to a gas. (pg. 112)

DAY 21 BRAINTEASER / WOD There is a man that lives on the top floor of a very tall building. Everyday he gets the elevator down to the ground floor to leave the building to go to work. Upon returning from work though, he can only travel halfway up in the lift and has to walk the rest of the way, unless it is raining! WHY? ANSWER: Wave- Rhythmic disturbance that carries energy but not matter. (p. 462)

DAY 21 BRAINTEASER / WOD There is a man that lives on the top floor of a very tall building. Everyday he gets the elevator down to the ground floor to leave the building to go to work. Upon returning from work though, he can only travel halfway up in the lift and has to walk the rest of the way, unless it is raining! WHY? ANSWER: The man was a dwarf and couldn’t reach top lift buttons except with an umbrella. Wave- Rhythmic disturbance that carries energy but not matter. (p. 462)

DAY 22 BRAINTEASER / WOD A man is wearing black. Black shoes, socks, trousers, jumper, gloves, and balaclava. He is walking down a black street with all the street lamps off. A black car is coming toward him with its lights off too, but somehow manages to stop in time. How did the driver see the man? ANSWER: X ray- high-energy electromagnetic wave that is highly penetrating and can be used for medical diagnosis. (pg 530)

DAY 22 BRAINTEASER / WOD A man is wearing black. Black shoes, socks, trousers, jumper, gloves, and balaclava. He is walking down a black street with all the street lamps off. A black car is coming toward him with its lights off too, but somehow manages to stop in time. How did the driver see the man? ANSWER: It was day time!!!!!!! X ray- high-energy electromagnetic wave that is highly penetrating and can be used for medical diagnosis. (pg 530)

DAY 23 BRAINTEASER / WOD One day Kerry celebrated her birthday. One day later her older twin brother, Terry, celebrated his birthday. Why? ANSWER: Accuracy- compares a measurement to the true value. (pg 45)

DAY 23 BRAINTEASER / WOD One day Kerry celebrated her birthday. One day later her older twin brother, Terry, celebrated his birthday. Why? ANSWER: At the time she went into labor, the mother of the twins was traveling by boat. The older twin, Terry, was born first early on March 1st. The boat then crossed a time zone, and Kerry, the younger twin was born on February 28th. Therefore, the younger twin celebrates her birthday one day before her older brother. Accuracy- compares a measurement to the true value. (pg 45)

DAY 24 BRAINTEASER / WOD A woman had two sons who were born on the same hour of the same day of the same year but they were not twins. How could this be so? ANSWER: Bar Graph- A type of graph that uses bars of varying sizes to show the relationship among variables.

DAY 24 BRAINTEASER / WOD A woman had two sons who were born on the same hour of the same day of the same year but they were not twins. How could this be so? ANSWER: They were a part of triplets, etc. Bar Graph- A type of graph that uses bars of varying sizes to show the relationship among variables.

DAY 25 BRAINTEASER / WOD A man died and went to heaven. There were thousands of other people there. They were all naked and all looked as they died at the age of 21. He looked around to see if there was anyone he recognized. He saw a couple and knew immediately that they were Adam and Eve. How did he know? ANSWER: Carboxyl group- Consists of one carbon atom, two oxygen atoms, and one hydrogen atom; represented by the formula –COOH. (pg. 259)

DAY 25 BRAINTEASER / WOD A man died and went to heaven. There were thousands of other people there. They were all naked and all looked as they died at the age of 21. He looked around to see if there was anyone he recognized. He saw a couple and knew immediately that they were Adam and Eve. How did he know? ANSWER: They were created and not born. Therefore they had no navel!!!!! Carboxyl group- Consists of one carbon atom, two oxygen atoms, and one hydrogen atom; represented by the formula –COOH. (pg. 259)

DAY 26 BRAINTEASER / WOD Sally promised Kate today that she will tell Kate a big secret on the day before four days from the day after tomorrow. If today is Saturday the 13th, on what day and date will Sally tell Kate her big secret? ANSWER: Density- Physical property of matter that can be found by dividing the matter’s mass by its volume. (pg. 121, 134, 352)

DAY 26 BRAINTEASER / WOD Sally promised Kate today that she will tell Kate a big secret on the day before four days from the day after tomorrow. If today is Saturday the 13th, on what day and date will Sally tell Kate her big secret? ANSWER: Thursday the 18th!!!! Density- Physical property of matter that can be found by dividing the matter’s mass by its volume. (pg. 121, 134, 352)

DAY 27 BRAINTEASER / WOD Use the digits 1, 2, 3, 4, 5 and 6 once only, in this multiplication sum to make it correct! ?? X ? ??? ANSWER: Earth Science- Study of Earth systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, oceans, and planets. (pg. 10)

DAY 27 BRAINTEASER / WOD Use the digits 1, 2, 3, 4, 5 and 6 once only, in this multiplication sum to make it correct! ?? X ? ??? ANSWER: 54 X 3 = 162 Earth Science- Study of Earth systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, oceans, and planets. (pg. 10)

DAY 28 BRAINTEASER / WOD A boat is at anchor. Over the side hangs a rope ladder with rungs a foot apart. The tide rises at a rate of 10 inches per hour. At the end of six hours, how much of the rope ladder will remain above water, assuming that 10 feet were above the water when the tide began to rise? ANSWER: Focal Length- Distance along the optical axis from the center of a mirror or lens to the focal point. (pg. 558)

DAY 28 BRAINTEASER / WOD A boat is at anchor. Over the side hangs a rope ladder with rungs a foot apart. The tide rises at a rate of 10 inches per hour. At the end of six hours, how much of the rope ladder will remain above water, assuming that 10 feet were above the water when the tide began to rise? ANSWER: 10 feet Focal Length- Distance along the optical axis from the center of a mirror or lens to the focal point. (pg. 558)

DAY 29 BRAINTEASER / WOD You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat? ANSWER: Gas- Matter that does not have a definite shape or volume; has particles that move at high speeds in all directions. (pg. 106)

DAY 29 BRAINTEASER / WOD You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat? ANSWER: A freshly picked ear of corn!!!!! Gas- Matter that does not have a definite shape or volume; has particles that move at high speeds in all directions. (pg. 106)

DAY 30 BRAINTEASER / WOD How would you rearrange the letters in the words new door to make one word? Note: There is only one correct answer. ANSWER: Heat Engine- Device that converts thermal energy into mechanical energy. (pg. 445)

DAY 30 BRAINTEASER / WOD How would you rearrange the letters in the words new door to make one word? Note: There is only one correct answer. ANSWER: One Word! Heat Engine- Device that converts thermal energy into mechanical energy. (pg. 445)

DAY 31 BRAINTEASER / WOD In 1985, a person is 15 years old. In 1990 that same person is 10 years old. How is this possible? ANSWER: Independent Variable- Variable that is changed in an experiment. (pg. 18)

DAY 31 BRAINTEASER / WOD In 1985, a person is 15 years old. In 1990 that same person is 10 years old. How is this possible? ANSWER: The dates are in B.C. (Before Christ) or as some non-Christians say, B.C.E. (Before Common Era) Independent Variable- Variable that is changed in an experiment. (pg. 18)

DAY 32 BRAINTEASER / WOD If today is Tuesday, what is the day after the day before the day before tomorrow? ANSWER: Kilogram (kg)- SI unit for mass. (pg. 53)

DAY 32 BRAINTEASER / WOD If today is Tuesday, what is the day after the day before the day before tomorrow? ANSWER: Tuesday! Kilogram (kg)- SI unit for mass. (pg. 53)

DAY 33 BRAINTEASER / WOD At summer camp, Marc bet his friends during our midnight feast that the weather in exactly one week’s time would not be sunny. How can Marc be so sure? ANSWER: Law of Conservation of Matter- States that matter is not created or destroyed but only changes its form. (pg. 74)

DAY 33 BRAINTEASER / WOD At summer camp, Marc bet his friends during our midnight feast that the weather in exactly one week’s time would not be sunny. How can Marc be so sure? ANSWER: In exactly one week it would be MIDNIGHT!!! Law of Conservation of Matter- States that matter is not created or destroyed but only changes its form. (pg. 74)

DAY 34 BRAINTEASER / WOD There is one word in the English language that is always pronounced incorrectly. What is it? ANSWER: Magnetic Field- Surrounds a magnet and exerts a magnetic force on other magnets. (pg. 615)

DAY 34 BRAINTEASER / WOD There is one word in the English language that is always pronounced incorrectly. What is it? ANSWER: Incorrectly! Magnetic Field- Surrounds a magnet and exerts a magnetic force on other magnets. (pg. 615)

DAY 35 BRAINTEASER / WOD A boat has a ladder that has six rungs and each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour. When the tide is at it’s highest, how many rungs are under water? ANSWER: Net Force- Combination of all forces acting on an object. (pg. 311)

DAY 35 BRAINTEASER / WOD A boat has a ladder that has six rungs and each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour. When the tide is at it’s highest, how many rungs are under water? ANSWER: No rungs will be under water. As the boat floats upward, so will the rungs of the ladder. Net Force- Combination of all forces acting on an object. (pg. 311)

DAY 36 BRAINTEASER / WOD There is a house with four walls. Each wall faces south. There is a window in each wall. A bear walks by one of the windows. What color is the bear? ANSWER: Organic Compounds- Most compounds that contain carbon. (pg. 250)

DAY 36 BRAINTEASER / WOD There is a house with four walls. Each wall faces south. There is a window in each wall. A bear walks by one of the windows. What color is the bear? ANSWER: White! The house is at the North Pole! Organic Compounds- Most compounds that contain carbon. (pg. 250)

Is half of two plus two equal to two or three?
DAY 37 BRAINTEASER / WOD Is half of two plus two equal to two or three? ANSWER: Pascal’s Principle- States that when a force is applied to a confined fluid, an increase in pressure is transmitted equally to all parts of the fluid. (pgs. 122, 357)

Is half of two plus two equal to two or three?
DAY 37 BRAINTEASER / WOD Is half of two plus two equal to two or three? ANSWER: Three! Pascal’s Principle- States that when a force is applied to a confined fluid, an increase in pressure is transmitted equally to all parts of the fluid. (pgs. 122, 357)

DAY 38 BRAINTEASER / WOD There is a room. The shutters are blowing in. There is broken glass on the floor. There is water on the floor. You find Flippy dead on the floor. Who is Flippy? How did Flippy die? ANSWER: Radiation- Transfer of energy by electromagnetic waves. (pg. 439)

DAY 38 BRAINTEASER / WOD There is a room. The shutters are blowing in. There is broken glass on the floor. There is water on the floor. You find Flippy dead on the floor. Who is Flippy? How did Flippy die? ANSWER: Flippy is a goldfish. The wind blew the shutters in, which knocked his goldfish-bowl of the table, and it broke, killing him. Radiation- Transfer of energy by electromagnetic waves. (pg. 439)

DAY 39 BRAINTEASER / WOD How much dirt would be in a hole 6 feet deep and 6 feet wide that has been dug with a square edged shovel? ANSWER: Saturated- Describes a solution that holds the total amount of solute that it can hold under given conditions. (pg. 228)

DAY 39 BRAINTEASER / WOD How much dirt would be in a hole 6 feet deep and 6 feet wide that has been dug with a square edged shovel? ANSWER: None! Saturated- Describes a solution that holds the total amount of solute that it can hold under given conditions. (pg. 228)

DAY 40 BRAINTEASER / WOD What is the significance of the following: The year is 1978, thirty-four minutes past noon on May 6th. ANSWER: Technology- Use of science to help people in some way. (pg. 11)

DAY 41 BRAINTEASER / WOD What can go up a chimney down, but can’t go down a chimney up? (hint…. Chim chimminy) ANSWER: Unbalanced Forces- Two or more forces acting on an object that do not cancel, and cause the object to accelerate. (pg. 311)

DAY 41 BRAINTEASER / WOD What can go up a chimney down, but can’t go down a chimney up? (hint…. Chim chimminy) ANSWER: An umbrella!!!! Unbalanced Forces- Two or more forces acting on an object that do not cancel, and cause the object to accelerate. (pg. 311)

What is it that goes up and down but does not move?
DAY 42 BRAINTEASER / WOD What is it that goes up and down but does not move? ANSWER: Variable- Factor that can be changed in an experiment. (pg. 18)

What is it that goes up and down but does not move?
DAY 42 BRAINTEASER / WOD What is it that goes up and down but does not move? ANSWER: Temperature!!!! Variable- Factor that can be changed in an experiment. (pg. 18)

DAY 43 BRAINTEASER / WOD I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. Who am I? ANSWER: Wedge- simple machine consisting of an inclined plane that moves; can have one or two sloping sides. (pg. 418)

DAY 43 BRAINTEASER / WOD I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. Who am I? ANSWER: I am a dentist!!!! Wedge- simple machine consisting of an inclined plane that moves; can have one or two sloping sides. (pg. 418)

DAY 44 BRAINTEASER / WOD When asked how old she was, Mary replied, “In two years I will be twice as old as I was five years ago.” How old is she? ANSWER: Acid- Substance that releases H+ ions and produces hydronium ions when dissolved in water. (pg. 232)

DAY 44 BRAINTEASER / WOD When asked how old she was, Mary replied, “In two years I will be twice as old as I was five years ago.” How old is she? ANSWER: 12 Acid- Substance that releases H+ ions and produces hydronium ions when dissolved in water. (pg. 232)

DAY 45 BRAINTEASER / WOD A man’s body is found 250 feet below sea level, yet the cause of death is not drowning. How and where did this man die? ANSWER: Base- Substance that accepts H+ ions and produces hydroxide ions when dissolved in water. (pg. 235)

DAY 45 BRAINTEASER / WOD A man’s body is found 250 feet below sea level, yet the cause of death is not drowning. How and where did this man die? ANSWER: The man died from heat exhaustion in Death Valley, CA! Base- Substance that accepts H+ ions and produces hydroxide ions when dissolved in water. (pg. 235)

DAY 46 BRAINTEASER / WOD An elderly man is going for a walk. Two young men in excellent physical condition are directly behind him, sprinting toward him. No matter how fast they run, they do not catch up with the man. Why can’t the men catch up with the elderly man and where are all three people? ANSWER: Carrier Wave- Radio waves broadcast by a radio or TV station at an assigned frequency that contains information used to produce pictures and sound. (pg. 536)

DAY 46 BRAINTEASER / WOD An elderly man is going for a walk. Two young men in excellent physical condition are directly behind him, sprinting toward him. No matter how fast they run, they do not catch up with the man. Why can’t the men catch up with the elderly man and where are all three people? ANSWER: All three are on a treadmill at the local gym. Carrier Wave- Radio waves broadcast by a radio or TV station at an assigned frequency that contains information used to produce pictures and sound. (pg. 536)

DAY 47 BRAINTEASER / WOD A steady stream of people enter Mike’s place of business and remove its treasured belongings. The people do not pay for what they take. Mike allows them to take as much as they can carry as long as they keep their mouths shut. What are the people taking and which type of business employs Mike? ANSWER:. Dependent Variable- Variable that changes as a result of a change in the independent variable. (pg. 18)

DAY 47 BRAINTEASER / WOD A steady stream of people enter Mike’s place of business and remove its treasured belongings. The people do not pay for what they take. Mike allows them to take as much as they can carry as long as they keep their mouths shut. What are the people taking and which type of business employs Mike? ANSWER: The people are taking books from the library. Dependent Variable- Variable that changes as a result of a change in the independent variable. (pg. 18)

DAY 48 BRAINTEASER / WOD There is a low railroad bridge in your town. One day you see a large truck stopped just before the underpass. When you ask what has happened, the driver tells you that his truck is one inch highter than the indicated height of the opening. This is the only road to his destination. What can he do to get through the underpass the easiest way? ANSWER: Echo- A reflected sound wave. (pg. 495)

DAY 48 BRAINTEASER / WOD There is a low railroad bridge in your town. One day you see a large truck stopped just before the underpass. When you ask what has happened, the driver tells you that his truck is one inch highter than the indicated height of the opening. This is the only road to his destination. What can he do to get through the underpass the easiest way? ANSWER: The driver needs to let some air out of his tires! Echo- A reflected sound wave. (pg. 495)

DAY 49 BRAINTEASER / WOD Little Johnny buys 10 trees at a local nursery. How does he plant these 10 trees in 5 rows with 4 in each row? ANSWER: Focal Point- Point on the optical axis of a mirror or lens where rays traveling parallel to the optical axis pass through. (pg. 558)

DAY 49 BRAINTEASER / WOD Little Johnny buys 10 trees at a local nursery. How does he plant these 10 trees in 5 rows with 4 in each row? ANSWER: Five Point Star! Focal Point- Point on the optical axis of a mirror or lens where rays traveling parallel to the optical axis pass through. (pg. 558)

DAY 50 BRAINTEASER / WOD I have 7 letters. The first two stand for a boy. The first three stand for a girl. The first four stand for a brave boy. But all of my letters stand for a brave girl. What word am I? ANSWER: Generator- Device that uses a magnetic field to turn kinetic energy into electrical energy. (pg. 384,626)

DAY 50 BRAINTEASER / WOD I have 7 letters. The first two stand for a boy. The first three stand for a girl. The first four stand for a brave boy. But all of my letters stand for a brave girl. What word am I? ANSWER: Heroine! Generator- Device that uses a magnetic field to turn kinetic energy into electrical energy. (pg. 384,626)

DAY 51 BRAINTEASER / WOD My brother, the local bus driver, was telling me that recently he was driving a bus full of people and no-one got off on the way. However, at the end of the journey, there was not a single person left on the bus. How? ANSWER: Heterogeneous Mixture- Type of mixture where the substances are not evenly mixed. (pg. 219)

DAY 51 BRAINTEASER / WOD My brother, the local bus driver, was telling me that recently he was driving a bus full of people and no-one got off on the way. However, at the end of the journey, there was not a single person left on the bus. How? ANSWER: They were all married.  Heterogeneous Mixture- Type of mixture where the substances are not evenly mixed. (pg. 219)

DAY 52 BRAINTEASER / WOD Which would you rather have? A trunk full of nickels or a trunk ½ full of dimes? ANSWER: Indicator- Compound that changes color at different pH values when it reacts with acidic or basic solutions. (pg. 238)

DAY 52 BRAINTEASER / WOD Which would you rather have? A trunk full of nickels or a trunk ½ full of dimes? ANSWER: Same amount of money but take the dimes! They are not as heavy! Indicator- Compound that changes color at different pH values when it reacts with acidic or basic solutions. (pg. 238)

We were four! One was cut and we were five! What are we?
DAY 53 BRAINTEASER / WOD We were four! One was cut and we were five! What are we? ANSWER: Kinetic Energy- Energy an object has due to its motion. (pg. 375)

We were four! One was cut and we were five! What are we?
DAY 53 BRAINTEASER / WOD We were four! One was cut and we were five! What are we? ANSWER: The Roman Numeral IV. Cut the one and you have the Roman Numeral V. Kinetic Energy- Energy an object has due to its motion. (pg. 375)

DAY 54 BRAINTEASER / WOD Jeff had 17 rings and all but 9 were dropped down the drain. How many did he have left? ANSWER: Law of Conservation of Momentum- States that the total momentum of objects that collide with each other is the same before and after the collision. (pg. 295)

DAY 54 BRAINTEASER / WOD Jeff had 17 rings and all but 9 were dropped down the drain. How many did he have left? ANSWER: 9, of course! Law of Conservation of Momentum- States that the total momentum of objects that collide with each other is the same before and after the collision. (pg. 295)

DAY 55 BRAINTEASER / WOD Correct the following equation so that it makes sense by freely moving the given four digits but without introducing any additional mathematical symbols. 76 = 24 ANSWER: Magnetosphere- Region of space affected by Earth’s magnetic field. (pg. 617)

DAY 55 BRAINTEASER / WOD Correct the following equation so that it makes sense by freely moving the given four digits but without introducing any additional mathematical symbols. 76 = 24 ANSWER: 72 = 49 Magnetosphere- Region of space affected by Earth’s magnetic field. (pg. 617)

DAY 56 BRAINTEASER / WOD How quickly can you find out what is unusual about this paragraph? It looks so ordinary that you would think that nothing was wrong with it at all and, in fact, nothing is. But it is unusual. Why? If you study it and think about it you may find out, but I am not going to assist you in any way. You must do it without coaching. No doubt, if you work at it for long, it will dawn on you. Who knows? Go to work and try your skill. Par is about half an hour. ANSWER: Neutralization- Reaction in which an acid reacts with a base and forms water and salt. (pg. 238)

DAY 56 BRAINTEASER / WOD How quickly can you find out what is unusual about this paragraph? It looks so ordinary that you would think that nothing was wrong with it at all and, in fact, nothing is. But it is unusual. Why? If you study it and think about it you may find out, but I am not going to assist you in any way. You must do it without coaching. No doubt, if you work at it for long, it will dawn on you. Who knows? Go to work and try your skill. Par is about half an hour. ANSWER: It does not contain the letter E which is the most common letter in the English language. Neutralization- Reaction in which an acid reacts with a base and forms water and salt. (pg. 238)

DAY 57 BRAINTEASER / WOD A clerk in the butcher shop is 5 feet 10 inches tall. What does he weigh? ANSWER: Output Force- Force exerted by a machine. (pg. 412)

DAY 57 BRAINTEASER / WOD A clerk in the butcher shop is 5 feet 10 inches tall. What does he weigh? ANSWER: Meat!!!!! Output Force- Force exerted by a machine. (pg. 412)

DAY 58 BRAINTEASER / WOD Is it legal for a man in California to marry his widow’s sister? Why or why not? ANSWER: pH- Measure of how acidic or basic a solution is; ranging in scale from (pg. 236)

DAY 58 BRAINTEASER / WOD Is it legal for a man in California to marry his widow’s sister? Why or why not? ANSWER: If the man has a widow, it means he has died! No, a dead man cannot marry anyone! pH- Measure of how acidic or basic a solution is; ranging in scale from (pg. 236)

DAY 59 BRAINTEASER / WOD Suppose you’re in a hallway lined with 100 closed lockers. You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it’s closed) or close it (if it is open). Lets call this action toggling a locker. Continue toggling every nth locker on pass number n. After 100 passes, where you toggle only locker #100, how many lockers are open? ANSWER: Saturated Hydrocarbon- Hydrocarbon, such as methane, with only single bonds. (pg. 252)

DAY 59 BRAINTEASER / WOD Suppose you’re in a hallway lined with 100 closed lockers. You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it’s closed) or close it (if it is open). Lets call this action toggling a locker. Continue toggling every nth locker on pass number n. After 100 passes, where you toggle only locker #100, how many lockers are open? ANSWER: 10 lockers are left open. #1, 4, 9, 25, 36, 49, 64, 81, and Each of these numbers are perfect squares. Saturated Hydrocarbon- Hydrocarbon, such as methane, with only single bonds. (pg. 252)

If there are three apples and you take two away, how many do you have?
DAY 60 BRAINTEASER / WOD If there are three apples and you take two away, how many do you have? ANSWER: Random Access Memory- Temporary electronic memory within a computer. (pg. 652)

If there are three apples and you take two away, how many do you have?
DAY 60 BRAINTEASER / WOD If there are three apples and you take two away, how many do you have? ANSWER: If you take 2, then you have 2! Random Access Memory- Temporary electronic memory within a computer. (pg. 652)

DAY 61 BRAINTEASER / WOD There is a certain 10-digit number where that the first digit is equal to the number of zeros in the entire number, the second number is the number of 1/s in the entire number, and so on, to where the 10th digit is the number of 9’s in the entire number. What is the number? ANSWER: Temperature- Measure of the average kinetic energy of the individual particles of a substance.

DAY 62 BRAINTEASER / WOD Two men play five games of checkers. Each man wins the same number of game. There are no ties. Explain this! ANSWER: Unsaturated Hydrocarbon- Hydrocarbon, such as ethylene, with one or more double or triple bonds. (pg 253)

DAY 62 BRAINTEASER / WOD Two men play five games of checkers. Each man wins the same number of game. There are no ties. Explain this! ANSWER: They were not playing each other. Unsaturated Hydrocarbon- Hydrocarbon, such as ethylene, with one or more double or triple bonds. (pg 253)

What belongs to you, but others use it more than you do?
DAY 63 BRAINTEASER / WOD What belongs to you, but others use it more than you do? ANSWER: Velocity- Speed and direction of a moving object. (pg. 287)

What belongs to you, but others use it more than you do?
DAY 63 BRAINTEASER / WOD What belongs to you, but others use it more than you do? ANSWER: Your name! Velocity- Speed and direction of a moving object. (pg. 287)

DAY 64 BRAINTEASER / WOD The local historical society has leased a castle to use it as a museum. The original lease was 99 years. I asked the curator how much time was left on the lease. His answer was as follows: two-thirds of the time past is equal to four-fifths of the time to come. How much time was left on the lease? ANSWER: Weight- A measurement of force that depends on gravity; measured in Newtons. (pg. 53, 317)

DAY 64 BRAINTEASER / WOD The local historical society has leased a castle to use it as a museum. The original lease was 99 years. I asked the curator how much time was left on the lease. His answer was as follows: two-thirds of the time past is equal to four-fifths of the time to come. How much time was left on the lease? ANSWER: 45 years! Weight- A measurement of force that depends on gravity; measured in Newtons. (pg. 53, 317)

DAY 65 BRAINTEASER / WOD Though in theory I am always behind you, I am also around to remind you. But in case it’s your way to give me too much say, I can hamper or, even worse, blind you. What am I? ANSWER: Activation Energy- Minimum amount of energy needed to start a chemical reaction. (pg. 201)

DAY 65 BRAINTEASER / WOD Though in theory I am always behind you, I am also around to remind you. But in case it’s your way to give me too much say, I can hamper or, even worse, blind you. What am I? ANSWER: The Past!!! Activation Energy- Minimum amount of energy needed to start a chemical reaction. (pg. 201)

DAY 66 BRAINTEASER / WOD After two years, Dave was stepping down from being the treasurer of a group of animal rights activists. To show him their appreciation a bunch of them took him out one sunny morning. Dave shot an eagle and everyone congratulated him. Where had they gone? ANSWER: Bernoulli’s Principle- states that when the speed of a fluid increases, the pressure exerted by the fluid decreases.

DAY 66 BRAINTEASER / WOD After two years, Dave was stepping down from being the treasurer of a group of animal rights activists. To show him their appreciation a bunch of them took him out one sunny morning. Dave shot an eagle and everyone congratulated him. Where had they gone? ANSWER: Golfing!!!! Bernoulli’s Principle- states that when the speed of a fluid increases, the pressure exerted by the fluid decreases.

DAY 67 BRAINTEASER / WOD A man is in a room with no doors and no windows. It must be noted that the room does have a ceiling with no exit. All he has is a stick. How does he get out? ANSWER: Diffraction- bending of waves around a barrier.

DAY 67 BRAINTEASER / WOD A man is in a room with no doors and no windows. It must be noted that the room does have a ceiling with no exit. All he has is a stick. How does he get out? ANSWER: He breaks the stick in half. Two halves make a whole. He escapes the room through the “hole”. Diffraction- bending of waves around a barrier.

DAY 68 BRAINTEASER / WOD Two Americans met in broad daylight. In the sight of a number of people, one of them shot and killed the other. The killing was deliberate, the killer was not an officer of the law, nor was the victim a criminal. However, no legal action was taken. How come? ANSWER: Efficiency- equals the output work divided by the input work; expressed as a percentage. (pg. 415)

DAY 68 BRAINTEASER / WOD Two Americans met in broad daylight. In the sight of a number of people, one of them shot and killed the other. The killing was deliberate, the killer was not an officer of the law, nor was the victim a criminal. However, no legal action was taken. How come? ANSWER: The action took place during the Civil War!!! Efficiency- equals the output work divided by the input work; expressed as a percentage. (pg. 415)

DAY 69 BRAINTEASER / WOD A man gave one son 10 cents and another son was given 15 cents. What time is it? ANSWER: Force- A push or a pull (pg. 310)

DAY 69 BRAINTEASER / WOD A man gave one son 10 cents and another son was given 15 cents. What time is it? ANSWER: The man gave away 25 cents, dividing it between 2 people- He therefore gave a “quarter to two”! The time is 1:45. Force- A push or a pull (pg. 310)

DAY 70 BRAINTEASER / WOD Farmer Joe came to town with some watermelons. He sold half of them plus half a melon, and found that he had one whole melon left. How many melons did he take to town? ANSWER: Global Positioning System (GPS)- uses satellites, ground-based stations, and portable units with receivers to locate objects on Earth. (pg, 539)

DAY 70 BRAINTEASER / WOD Farmer Joe came to town with some watermelons. He sold half of them plus half a melon, and found that he had one whole melon left. How many melons did he take to town? ANSWER: 3 melons Global Positioning System (GPS)- uses satellites, ground-based stations, and portable units with receivers to locate objects on Earth. (pg, 539)

What occurs once in a minute, twice in a moment, but never in an hour?
DAY 71 BRAINTEASER / WOD What occurs once in a minute, twice in a moment, but never in an hour? ANSWER: Homogeneous Mixture- Type of mixture where two or more substances are evenly mixed on a molecular level but are not bonded together. (p. 220)

What occurs once in a minute, twice in a moment, but never in an hour?
DAY 71 BRAINTEASER / WOD What occurs once in a minute, twice in a moment, but never in an hour? ANSWER: The letter “M”! Homogeneous Mixture- Type of mixture where two or more substances are evenly mixed on a molecular level but are not bonded together. (p. 220)

DAY 72 BRAINTEASER / WOD What 5 letter English word does not change its pronunciation when four letters are taken away? ANSWER: Inertia- Tendency of an object to resist a change in its motion. (p. 293)

DAY 72 BRAINTEASER / WOD What 5 letter English word does not change its pronunciation when four letters are taken away? ANSWER: Queue! (Def.) 1) A braid of hair usually worn hanging at the back of the head, 2) A waiting line Inertia- Tendency of an object to resist a change in its motion. (p. 293)

DAY 73 BRAINTEASER / WOD I’m in a rock, not in a stone
I’m in marrow, not in bone I’m in a bolster, not in a bed I’m not living, I’m not dead ANSWER: Law of Reflection- States that when a wave is reflected, the angle of incidence is equal to the angle of reflection (p. 555)

DAY 73 BRAINTEASER / WOD I’m in a rock, not in a stone
I’m in marrow, not in bone I’m in a bolster, not in a bed I’m not living, I’m not dead ANSWER: The letter “R” Law of Reflection- States that when a wave is reflected, the angle of incidence is equal to the angle of reflection (p. 555)

What goes around the world and stays in a corner?
DAY 74 BRAINTEASER / WOD What goes around the world and stays in a corner? ANSWER: Mass- Amount of matter in an object. (pp. 53, 293)

What goes around the world and stays in a corner?
DAY 74 BRAINTEASER / WOD What goes around the world and stays in a corner? ANSWER: A stamp! Mass- Amount of matter in an object. (pp. 53, 293)

DAY 75 BRAINTEASER / WOD Take one out and scratch my head. I am now black but once was red. What am I? ANSWER: Neutron- An uncharged particle located in the nucleus of an atom. (pg. 78)

DAY 75 BRAINTEASER / WOD Take one out and scratch my head. I am now black but once was red. What am I? ANSWER: A match Neutron- An uncharged particle located in the nucleus of an atom. (pg. 78)

What gets wetter the more it dries?
DAY 76 BRAINTEASER / WOD What gets wetter the more it dries? ANSWER: Overtones- Multiples of the fundamental frequency. (pg. 503)

What gets wetter the more it dries?
DAY 76 BRAINTEASER / WOD What gets wetter the more it dries? ANSWER: A towel Overtones- Multiples of the fundamental frequency. (pg. 503)

The more there is the less you see……. What is it?
DAY 77 BRAINTEASER / WOD The more there is the less you see……. What is it? ANSWER: Photovoltaic- Device that transforms radiant energy directly into electrical energy (pg. 392)

The more there is the less you see……. What is it?
DAY 77 BRAINTEASER / WOD The more there is the less you see……. What is it? ANSWER: Darkness Photovoltaic- Device that transforms radiant energy directly into electrical energy (pg. 392)

DAY 78 BRAINTEASER / WOD They come at night without being called and are lost in the day without being stolen. What are they? ANSWER: Random-access Memory (RAM)- Temporary electronic memory within a computer. (pg 652)

DAY 78 BRAINTEASER / WOD They come at night without being called and are lost in the day without being stolen. What are they? ANSWER: Stars Random-access Memory (RAM)- Temporary electronic memory within a computer. (pg 652)

What kind of room has no windows or doors?
DAY 79 BRAINTEASER / WOD What kind of room has no windows or doors? ANSWER: Science- Way of learning more about the natural world that provides possible explanations to questions and involves using a collection of skills. (pg. 6)

What kind of room has no windows or doors?
DAY 79 BRAINTEASER / WOD What kind of room has no windows or doors? ANSWER: Mushroom! Science- Way of learning more about the natural world that provides possible explanations to questions and involves using a collection of skills. (pg. 6)

I am heavy, backward I am not. What am I?
DAY 80 BRAINTEASER / WOD I am heavy, backward I am not. What am I? ANSWER: Thermal Energy- The sum of the kinetic energy and potential energy of the particles in a material. (pg. 376, 437)

I am heavy, backward I am not. What am I?
DAY 80 BRAINTEASER / WOD I am heavy, backward I am not. What am I? ANSWER: A ton! Thermal Energy- The sum of the kinetic energy and potential energy of the particles in a material. (pg. 376, 437)

DAY 81 BRAINTEASER / WOD What is: More powerful than God
More evil than the devil The rich need it The poor have it And if you eat it, you will die? ANSWER: Viscosity- A liquid’s resistance to flow. (pg. 105)

DAY 81 BRAINTEASER / WOD What is: More powerful than God
More evil than the devil The rich need it The poor have it And if you eat it, you will die? ANSWER: Nothing!! Viscosity- A liquid’s resistance to flow. (pg. 105)

DAY 82 BRAINTEASER / WOD The rich men want it, the wise men know it, the poor all need it, and the kind men show it! What is it? ANSWER: Weight- A measurement of force that depends on gravity; measured in Newtons. (pgs. 53, 317)

DAY 82 BRAINTEASER / WOD The rich men want it, the wise men know it, the poor all need it, and the kind men show it! What is it? ANSWER: LOVE! Weight- A measurement of force that depends on gravity; measured in Newtons. (pgs. 53, 317)

No sooner spoken than broken! What is it?
DAY 83 BRAINTEASER / WOD No sooner spoken than broken! What is it? ANSWER: Alternating Current- Electric current that changes its direction repeatedly. (pg. 626)

No sooner spoken than broken! What is it?
DAY 83 BRAINTEASER / WOD No sooner spoken than broken! What is it? ANSWER: Silence Alternating Current- Electric current that changes its direction repeatedly. (pg. 626)

DAY 84 BRAINTEASER / WOD There is a certain crime, that if it is attempted, is punishable, but if it is committed, it is not punishable. What is the crime? ANSWER: Binary System- number system consisting of two digits, 0 and 1, that can be used by devices such as computers to store information (pg. 650)

DAY 84 BRAINTEASER / WOD There is a certain crime, that if it is attempted, is punishable, but if it is committed, it is not punishable. What is the crime? ANSWER: Suicide Binary System- number system consisting of two digits, 0 and 1, that can be used by devices such as computers to store information (pg. 650)

DAY 85 BRAINTEASER / WOD Through the wind and rain I always play, I roam the earth, yet here I stay; I crumble stones, and fire cannot burn me; Yet I am soft- you can gauge me with your hand. What am I? ANSWER: Center of Mass- Point in a object that moves as if all of the object’s mass were concentrated at that point (pg. 322)

DAY 85 BRAINTEASER / WOD Through the wind and rain I always play, I roam the earth, yet here I stay; I crumble stones, and fire cannot burn me; Yet I am soft- you can gauge me with your hand. What am I? ANSWER: The Ocean Center of Mass- Point in a object that moves as if all of the object’s mass were concentrated at that point (pg. 322)

DAY 86 BRAINTEASER / WOD Pronounced as one letter, And written as three, Two letters there are, And two only in me. I’m double, I’m single, I’m black, blue, and grey, I’m read from both ends, And the same either way. ANSWER: Digital Signal- Electronic signal that varies information that does not vary smoothly with time but changes in steps between certain values (pg. 643)

DAY 86 BRAINTEASER / WOD Pronounced as one letter, And written as three, Two letters there are, And two only in me. I’m double, I’m single, I’m black, blue, and grey, I’m read from both ends, And the same either way. ANSWER: Eye Digital Signal- Electronic signal that varies information that does not vary smoothly with time but changes in steps between certain values (pg. 643)

DAY 87 BRAINTEASER / WOD Light as a feather, there is nothing in it; the strongest man can’t hold it for much more than a minute! What is it? ANSWER: Electrical Energy- Energy carried by electric current (pg. 378)

DAY 87 BRAINTEASER / WOD Light as a feather, there is nothing in it; the strongest man can’t hold it for much more than a minute! What is it? ANSWER: Breath Electrical Energy- Energy carried by electric current (pg. 378)

DAY 88 BRAINTEASER / WOD A word I know, six letters it contains, Subtract just one, and twelve is what remains. ANSWER: Freezing- Change of matter from a liquid state to a solid state. (pg. 111)

DAY 88 BRAINTEASER / WOD A word I know, six letters it contains, Subtract just one, and twelve is what remains. ANSWER: Dozens Freezing- Change of matter from a liquid state to a solid state. (pg. 111)

DAY 89 BRAINTEASER / WOD I went into the woods and got it, I sat down to seek it, I brought it home with me because I couldn’t find it. What is it? ANSWER: Graph- used to collect, organize, and summarize data in a visual way, making it easy to use and understand. (pg. 57)

DAY 89 BRAINTEASER / WOD I went into the woods and got it, I sat down to seek it, I brought it home with me because I couldn’t find it. What is it? ANSWER: A Splinter Graph- used to collect, organize, and summarize data in a visual way, making it easy to use and understand. (pg. 57)

DAY 90 BRAINTEASER / WOD I have two heads but only one body, the more still I stand the faster I run. What am I? ANSWER: Hydraulic system- Uses a fluid to increase an applied force. (pg. 357)

DAY 90 BRAINTEASER / WOD I have two heads but only one body, the more still I stand the faster I run. What am I? ANSWER: An Hourglass Hydraulic system- Uses a fluid to increase an applied force. (pg. 357)

DAY 91 BRAINTEASER / WOD It is weightless. You can see it and if you put it in a barrel it will make the barrel lighter. What is it? ANSWER: Inexhaustible Resource- energy source that can’t be used up by humans. (pg. 391)

DAY 91 BRAINTEASER / WOD It is weightless. You can see it and if you put it in a barrel it will make the barrel lighter. What is it? ANSWER: A Hole! Inexhaustible Resource- energy source that can’t be used up by humans. (pg. 391)

Only two backbones and a thousand ribs. What is it?
DAY 92 BRAINTEASER / WOD Only two backbones and a thousand ribs. What is it? ANSWER: Lens- transparent object that has at least one curved surface that causes light to bend. (pg 563)

Only two backbones and a thousand ribs. What is it?
DAY 92 BRAINTEASER / WOD Only two backbones and a thousand ribs. What is it? ANSWER: Railroad Track Lens- transparent object that has at least one curved surface that causes light to bend. (pg 563)

DAY 93 BRAINTEASER / WOD What can run but never walks,
Has a mouth but never talks, Has a head but never weeps, Has a bed but never sleeps? ANSWER: Mass Number- Sum of the number of protons and neutrons in the nucleus of an atom. (pg. 83)

DAY 93 BRAINTEASER / WOD What can run but never walks,
Has a mouth but never talks, Has a head but never weeps, Has a bed but never sleeps? ANSWER: A River Mass Number- Sum of the number of protons and neutrons in the nucleus of an atom. (pg. 83)

DAY 94 BRAINTEASER / WOD Born motherless and fatherless, Into this world without a sin Made a loud roar as I entered And never spoke again. What am I? ANSWER: Newton’s First Law of Motion- states that if the net force acting on an object is zero, the object will remain at rest or move in a straight line with a constant speed. (pg. 312)

DAY 94 BRAINTEASER / WOD Born motherless and fatherless, Into this world without a sin Made a loud roar as I entered And never spoke again. What am I? ANSWER: Thunder! Newton’s First Law of Motion- states that if the net force acting on an object is zero, the object will remain at rest or move in a straight line with a constant speed. (pg. 312)

DAY 95 BRAINTEASER / WOD You use a knife to slice my head, and weep beside me when I am dead! What am I? ANSWER: Physical Change- Any change in the size, shape, form, or state of matter in which the matter’s identity remains the same. (pg 143)

DAY 95 BRAINTEASER / WOD You use a knife to slice my head, and weep beside me when I am dead! What am I? ANSWER: An Onion! Physical Change- Any change in the size, shape, form, or state of matter in which the matter’s identity remains the same. (pg 143)

DAY 96 BRAINTEASER / WOD A local school teacher wanted to share 703 sweets equally between the pupils. If there were more than 20 students, how many sweets did each receive? ANSWER: Rate- A ratio of two different kinds of measurements; the amount of change of one measurement in a given amount of time. (pg. 54)

DAY 96 BRAINTEASER / WOD A local school teacher wanted to share 703 sweets equally between the pupils. If there were more than 20 students, how many sweets did each receive? ANSWER: 19 sweets for 37 pupils! Rate- A ratio of two different kinds of measurements; the amount of change of one measurement in a given amount of time. (pg. 54)

DAY 97 BRAINTEASER / WOD John’s mother had four children. The first was April, the second was May, the third was June. What was the name of her fourth child? ANSWER: Scientific Law- A rule that describes a pattern in nature but does not try to explain why something happens. (pg 7)

DAY 97 BRAINTEASER / WOD John’s mother had four children. The first was April, the second was May, the third was June. What was the name of her fourth child? ANSWER: John Scientific Law- A rule that describes a pattern in nature but does not try to explain why something happens. (pg 7)

I am the ruler of shovels
DAY 98 BRAINTEASER / WOD I am the ruler of shovels I have a double I am as thin as a knife I have a wife. Who or what am I? ANSWER: Thermal Pollution- Increase in temperature of a natural body of water; caused by adding warmer water. (pg 443)

I am the ruler of shovels
DAY 98 BRAINTEASER / WOD I am the ruler of shovels I have a double I am as thin as a knife I have a wife. Who or what am I? ANSWER: The King of Spades! Thermal Pollution- Increase in temperature of a natural body of water; caused by adding warmer water. (pg 443)

DAY 99 BRAINTEASER / WOD If EELS + MARK + BEST + WARY = EASY what does HELP + BARK + WARD + LEAD = ANSWER: Visible Light- Electromagnetic Waves that can be seen with your eyes. (pg 528)

DAY 99 BRAINTEASER / WOD If EELS + MARK + BEST + WARY = EASY what does HELP + BARK + WARD + LEAD = ANSWER: HARD Visible Light- Electromagnetic Waves that can be seen with your eyes. (pg 528)

DAY 100 BRAINTEASER / WOD I only come once a year, I’m like a clean sheet of paper, And when I start to get old, A new one comes to replace me. ANSWER: Wheel and Axle- Simple machine made from two circular objects of different sizes that are attached and rotate together. (pg 420)

DAY 100 BRAINTEASER / WOD I only come once a year, I’m like a clean sheet of paper, And when I start to get old, A new one comes to replace me. ANSWER: The New Year Wheel and Axle- Simple machine made from two circular objects of different sizes that are attached and rotate together. (pg 420)

Using eight eights and addition only, can you make 1000?
DAY 101 BRAINTEASER / WOD Using eight eights and addition only, can you make 1000? ANSWER: Alternative Resource- New renewable or inexhaustible energy source; includes solar energy, wind, and geothermal energy. (pg 391)

Using eight eights and addition only, can you make 1000?
DAY 101 BRAINTEASER / WOD Using eight eights and addition only, can you make 1000? ANSWER: = 1000 Alternative Resource- New renewable or inexhaustible energy source; includes solar energy, wind, and geothermal energy. (pg 391)

DAY 102 BRAINTEASER / WOD Bill and Ben take turns tossing a coin. Whoever get the head first is the winner. If Bill has the first toss, what is the probability that he will win? ANSWER: Buoyant Force- upward force exerted on an object immersed in a fluid. (pg. 120, 348)

DAY 102 BRAINTEASER / WOD Bill and Ben take turns tossing a coin. Whoever get the head first is the winner. If Bill has the first toss, what is the probability that he will win? ANSWER: 2/3 Buoyant Force- upward force exerted on an object immersed in a fluid. (pg. 120, 348)

DAY 103 BRAINTEASER / WOD I went to visit my friend last week and he told me that each night he wakes up and gets out of bed at least 180 times. However, he always sleeps for at least 7 hours at a time. How can this be explained? ANSWER: Chemical Bond- Force that holds two atoms together. (pg. 169)

DAY 103 BRAINTEASER / WOD I went to visit my friend last week and he told me that each night he wakes up and gets out of bed at least 180 times. However, he always sleeps for at least 7 hours at a time. How can this be explained? ANSWER: He lives at the south pole, where, during Winter, the sun doesn’t rise for six months at a time. Chemical Bond- Force that holds two atoms together. (pg. 169)

DAY 104 BRAINTEASER / WOD Whoever makes it, tells it not. Whoever takes it, knows it not. And whoever knows it, wants it not. What is it? ANSWER: Diode- A solid-state component made from two layers of semiconductor material that allows electric current to flow in only one direction and is commonly used to change AC to DC (pg. 646)

DAY 104 BRAINTEASER / WOD Whoever makes it, tells it not. Whoever takes it, knows it not. And whoever knows it, wants it not. What is it? ANSWER: Counterfeit Money Diode- A solid-state component made from two layers of semiconductor material that allows electric current to flow in only one direction and is commonly used to change AC to DC (pg. 646)

Two words. My answer is only two words. To keep me, you must give me.
DAY 105 BRAINTEASER / WOD Two words. My answer is only two words. To keep me, you must give me. ANSWER: Electric Current- The flow of electric charge, measured in amperes. (pg. 591)

Two words. My answer is only two words. To keep me, you must give me.
DAY 105 BRAINTEASER / WOD Two words. My answer is only two words. To keep me, you must give me. ANSWER: Your Word! Electric Current- The flow of electric charge, measured in amperes. (pg. 591)

DAY 106 BRAINTEASER / WOD When you behead a word, you drop the first letter of the word. The following clues should help you find the three letter word. Behead a beast and you will find, A larger beast is left behind. Behead this larger beast and then, Instead of one, you’ll find I’m ten. ANSWER: Frequency- Number of wavelengths that pass a given point in one second; measured in hertz (Hz). (pg. 469)

DAY 106 BRAINTEASER / WOD When you behead a word, you drop the first letter of the word. The following clues should help you find the three letter word. Behead a beast and you will find, A larger beast is left behind. Behead this larger beast and then, Instead of one, you’ll find I’m ten. ANSWER: Fox Ox X Frequency- Number of wavelengths that pass a given point in one second; measured in hertz (Hz). (pg. 469)

DAY 107 BRAINTEASER / WOD An old fashioned bike wheel has 21 spokes. How many spaces are between the spokes? ANSWER: Hydrocarbon- Organic compound that has only carbon and hydrogen atoms (pg. 251)

DAY 107 BRAINTEASER / WOD An old fashioned bike wheel has 21 spokes. How many spaces are between the spokes? ANSWER: 21 Hydrocarbon- Organic compound that has only carbon and hydrogen atoms (pg. 251)

What is represented by this BrainBrat?
DAY 108 BRAINTEASER / WOD What is represented by this BrainBrat? EEGVTABLES EGVETABLES GEEVTABLES VEEGTABLES ANSWER: Infer- To draw a conclusion based on observation (pg. 16).

What is represented by this BrainBrat?
DAY 108 BRAINTEASER / WOD What is represented by this BrainBrat? EEGVTABLES EGVETABLES GEEVTABLES VEEGTABLES ANSWER: Mixed Vegetables Infer- To draw a conclusion based on observation (pg. 16).

DAY 109 BRAINTEASER / WOD A carpenter agrees to work on the condition that he is paid 2 units for everyday that he works, while he forfeits 3 units for everyday that he does not work. At the end of 30 days he finds that he has paid out exactly as much as he has received. How many days did he work? ANSWER: Lever- Simple machine consisting of a rigid rod or plank that pivots or rotates about a fixed point called a fulcrum (pg. 420)

DAY 109 BRAINTEASER / WOD A carpenter agrees to work on the condition that he is paid 2 units for everyday that he works, while he forfeits 3 units for everyday that he does not work. At the end of 30 days he finds that he has paid out exactly as much as he has received. How many days did he work? ANSWER: He worked on 18 days and did not work on 12 days. Lever- Simple machine consisting of a rigid rod or plank that pivots or rotates about a fixed point called a fulcrum (pg. 420)

DAY 110 BRAINTEASER / WOD You have accidentally left out the plug and are attempting to fill the bath with both 2 taps full on. The hot tap takes 6 minutes to fill the bath, the cold tap takes 4 minutes, and the water empties through the plug hole in 12 minutes. In how many minutes will the bath be filled? ANSWER: Matter- Anything that takes up space and has mass (pg. 72, 102)

DAY 110 BRAINTEASER / WOD You have accidentally left out the plug and are attempting to fill the bath with both 2 taps full on. The hot tap takes 6 minutes to fill the bath, the cold tap takes 4 minutes, and the water empties through the plug hole in 12 minutes. In how many minutes will the bath be filled? ANSWER: 3 minutes. This is solved by 1/6 + 1/4 - 1/12 = – = / = 3 minutes Matter- Anything that takes up space and has mass (pg. 72, 102)

DAY 111 BRAINTEASER / WOD An old lady left $33,333 to be divided equally among two fathers and two sons and each was to receive $11,111. How is this possible? ANSWER: Newton’s 2nd Law of Motion- States that an object acted upon by a net force will accelerate in the direction of the force, and the acceleration equals the net force divided by the objects mass (pg. 316)

DAY 111 BRAINTEASER / WOD An old lady left $33,333 to be divided equally among two fathers and two sons and each was to receive $11,111. How is this possible? ANSWER: There were only three beneficiaries – son, father, and grandfather. Newton’s 2nd Law of Motion- States that an object acted upon by a net force will accelerate in the direction of the force, and the acceleration equals the net force divided by the objects mass (pg. 316)

DAY 112 BRAINTEASER / WOD A vagrant can roll a new cigarette from 7 cigarette ends. On this particular day, by far his best, he managed to collect 145 cigarette ends. How many cigarettes will he be able to smoke in total? ANSWER: Physical Property- Any characteristic of matter that can be detected using the senses without changing the identity of the matter (pg. 134)

DAY 112 BRAINTEASER / WOD A vagrant can roll a new cigarette from 7 cigarette ends. On this particular day, by far his best, he managed to collect 145 cigarette ends. How many cigarettes will he be able to smoke in total? ANSWER: He can smoke 24 cigarettes. From the initial 145 he can smoke 20 with 5 ends remaining. From these 25 he can smoke 3 with 4 remaining. This leaves him a total of 7 ends to make one more for a total of 24. Physical Property- Any characteristic of matter that can be detected using the senses without changing the identity of the matter (pg. 134)

DAY 113 BRAINTEASER / WOD There is a common English word that is nine letters long. Each time you remove a letter from it, it still remains an English word – from nine letters right down to a single letter. What is the original word, and what are the words that it becomes after removing one letter at a time? ANSWER: Rate of Reaction- Measure of how fast a chemical reaction occurs. (pg. 202)

DAY 113 BRAINTEASER / WOD There is a common English word that is nine letters long. Each time you remove a letter from it, it still remains an English word – from nine letters right down to a single letter. What is the original word, and what are the words that it becomes after removing one letter at a time? ANSWER: The base word is startling. Starting, Staring, String, Sting, Sing, Sin, In, I. Rate of Reaction- Measure of how fast a chemical reaction occurs. (pg. 202)

DAY 114 BRAINTEASER / WOD What has six faces, But does not wear makeup. It also has 21 eyes, But cannot see. ANSWER: Scientific Theory- A possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigation. (pg. 7)

DAY 114 BRAINTEASER / WOD What has six faces, But does not wear makeup. It also has 21 eyes, But cannot see. ANSWER: A six sided die. Scientific Theory- A possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigation. (pg. 7)

DAY 115 BRAINTEASER / WOD I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone’s dirty business. Who or what am I? ANSWER: Transformer- Device used to increase or decrease the voltage of an alternating current. (pg. 628)

DAY 115 BRAINTEASER / WOD I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone’s dirty business. Who or what am I? ANSWER: Vacuum Cleaner Transformer- Device used to increase or decrease the voltage of an alternating current. (pg. 628)

What is the difference between here and there?
DAY 116 BRAINTEASER / WOD What is the difference between here and there? ANSWER: Voltage- A measure of the amount of electrical potential energy an electron flowing in a circuit can gain; measured in volts (V). (pg. 592)

What is the difference between here and there?
DAY 116 BRAINTEASER / WOD What is the difference between here and there? ANSWER: The letter “T” Voltage- A measure of the amount of electrical potential energy an electron flowing in a circuit can gain; measured in volts (V). (pg. 592)

DAY 117 BRAINTEASER / WOD I’m the part of the bird that’s not in the sky. I can swim in the ocean and still remain dry. What am I? ANSWER: Work- is done when a force exerted on an object causes that object to move some distance; equal to force times distance; measured in joules (J). (pg 406)

DAY 117 BRAINTEASER / WOD I’m the part of the bird that’s not in the sky. I can swim in the ocean and still remain dry. What am I? ANSWER: The bird’s shadow. Work- is done when a force exerted on an object causes that object to move some distance; equal to force times distance; measured in joules (J). (pg 406)

How many letters are in the alphabet?
DAY 118 BRAINTEASER / WOD How many letters are in the alphabet? ANSWER: Amino Acids- Building blocks of proteins; contain both an amino group and a carboxyl acid group replacing hydrogens on the same carbon atom (pg 259)

How many letters are in the alphabet?
DAY 118 BRAINTEASER / WOD How many letters are in the alphabet? ANSWER: 11 Amino Acids- Building blocks of proteins; contain both an amino group and a carboxyl acid group replacing hydrogens on the same carbon atom (pg 259)

DAY 119 BRAINTEASER / WOD Almost everyone sees me without noticing me, For what is beyond is what he or she seeks. What am I? ANSWER: Chemical Change- Any change of a material into a new material with different properties (pg 145)

DAY 119 BRAINTEASER / WOD Almost everyone sees me without noticing me, For what is beyond is what he or she seeks. What am I? ANSWER: A window. Chemical Change- Any change of a material into a new material with different properties (pg 145)

DAY 120 BRAINTEASER / WOD What is the significance about 3661 seconds past midnight on January 1, 2001? ANSWER: Direct Current (DC)- Electric current that flows only in one direction (pg. 627)

DAY 120 BRAINTEASER / WOD What is the significance about 3661 seconds past midnight on January 1, 2001? ANSWER: 01:01:01 on 01/01/01 Direct Current (DC)- Electric current that flows only in one direction (pg. 627)

DAY 121 BRAINTEASER / WOD A dozen royals gathered round, Entertained by two who clowned. Each King there had servants ten, Though none of them were also men. The lowest servant sometimes might, Defeat the King in a fair fight. A weapon stout, a priceless jewel, The beat of life, a farmer’s tool. What are we talking about? ANSWER: Electric Discharge- Rapid movement of excess charge from one place to another (pg 589)

DAY 121 BRAINTEASER / WOD A dozen royals gathered round, Entertained by two who clowned. Each King there had servants ten, Though none of them were also men. The lowest servant sometimes might, Defeat the King in a fair fight. A weapon stout, a priceless jewel, The beat of life, a farmer’s tool. What are we talking about? ANSWER: A deck of Cards! Electric Discharge- Rapid movement of excess charge from one place to another (pg 589)

DAY 122 BRAINTEASER / WOD Dave likes indigo but not blue. I like onions but not turnips. I like forms but not shapes. According to the same rule, do I like tomatoes or avocados? Why, please explain. ANSWER: Friction- Force that acts to oppose sliding between two surfaces that are touching. (pg 312)

DAY 122 BRAINTEASER / WOD Dave likes indigo but not blue. I like onions but not turnips. I like forms but not shapes. According to the same rule, do I like tomatoes or avocados? Why, please explain. ANSWER: I like all things beginning with a preposition Friction- Force that acts to oppose sliding between two surfaces that are touching. (pg 312)

DAY 123 BRAINTEASER / WOD Lives in winter, dies in summer, grows with its root upwards. What is it? ANSWER: Hydronium Ion- Hydrogen ion combines with a water molecule to form a hydronium ion, H3O+ (pg 232)

DAY 123 BRAINTEASER / WOD Lives in winter, dies in summer, grows with its root upwards. What is it? ANSWER: Icicle! Hydronium Ion- Hydrogen ion combines with a water molecule to form a hydronium ion, H3O+ (pg 232)

DAY 124 BRAINTEASER / WOD A man is asked what his daughters look like. He answers, “They are all blondes, but two, all brunettes, but two, and all red heads but two.” How many daughters did he have? ANSWER: Infrared Wave- Electromagnetic waves with wavelengths between 1 mm and 0.7 millionths of a meter. (pg 527)

DAY 124 BRAINTEASER / WOD A man is asked what his daughters look like. He answers, “They are all blondes, but two, all brunettes, but two, and all red heads but two.” How many daughters did he have? ANSWER: One blonde, one brunette, and one redhead! Infrared Wave- Electromagnetic waves with wavelengths between 1 mm and 0.7 millionths of a meter. (pg 527)

DAY 125 BRAINTEASER / WOD All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. What am I? ANSWER: Life Science- Study of living systems and how they interact. (pg. 9)

DAY 125 BRAINTEASER / WOD All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. What am I? ANSWER: The Wind! Life Science- Study of living systems and how they interact. (pg. 9)

DAY 126 BRAINTEASER / WOD David is standing behind Ashley, and Ashley is standing behind David. How is this possible? ANSWER: Measurement- Way to describe objects and events with numbers; for example, length, volume, mass, weight, and temperature.

DAY 126 BRAINTEASER / WOD David is standing behind Ashley, and Ashley is standing behind David. How is this possible? ANSWER: They are standing back to back!!!!! Measurement- Way to describe objects and events with numbers; for example, length, volume, mass, weight, and temperature.

What question can you never answer “yes” to?
DAY 127 BRAINTEASER / WOD What question can you never answer “yes” to? ANSWER: Newton’s Third Law of Motion- States that forces always act in equal but opposite pairs. (pg. 323)

What question can you never answer “yes” to?
DAY 127 BRAINTEASER / WOD What question can you never answer “yes” to? ANSWER: Are you sleeping? Are you dead? Newton’s Third Law of Motion- States that forces always act in equal but opposite pairs. (pg. 323)

DAY 128 BRAINTEASER / WOD I am always hungry, I must always be fed, The finger I lick, Will soon turn red. What am I? ANSWER: Physical Science- Study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change. (pg 10)

DAY 128 BRAINTEASER / WOD I am always hungry, I must always be fed, The finger I lick, Will soon turn red. What am I? ANSWER: Fire! Physical Science- Study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change. (pg 10)

DAY 129 BRAINTEASER / WOD Until I am measured, I am not known. Yet how you miss me, When I have flown. What am I? ANSWER: Reactant- Substance that exists before a chemical reaction begins. (pg. 192)

DAY 129 BRAINTEASER / WOD Until I am measured, I am not known. Yet how you miss me, When I have flown. What am I? ANSWER: Time Reactant- Substance that exists before a chemical reaction begins. (pg. 192)

DAY 130 BRAINTEASER / WOD David and Mike are brothers. David is 33 years old today. This is three times as old as Mike was when David was the age that Mike is today. How old is Mike? ANSWER: Semiconductor- Element, such as silicon, that is a poorer electrical conductor than a metal but a better conductor than a nonmetal, and whose electrical conductivity can be changed by adding impurities.

DAY 130 BRAINTEASER / WOD David and Mike are brothers. David is 33 years old today. This is three times as old as Mike was when David was the age that Mike is today. How old is Mike? ANSWER: Mike is 22. Semiconductor- Element, such as silicon, that is a poorer electrical conductor than a metal but a better conductor than a nonmetal, and whose electrical conductivity can be changed by adding impurities.

DAY 131 BRAINTEASER / WOD While on trip in the wild jungles of Africa, Professor Smith woke up one morning and felt something in the pocket of his pajamas. It had a head and a tail, but no legs. When Smith got up he could feel it move inside of his pocket. However, Smith showed little concern and went about his morning activities. Why wasn’t he concerned? ANSWER: Transistor- A solid-state component made from three layers of semiconductor material that can amplify the strength of an electric signal or act as an electronic switch. (pg. 647)

DAY 131 BRAINTEASER / WOD While on trip in the wild jungles of Africa, Professor smith woke up one morning and felt something in the pocket of his pajamas. It had a head and a tail, but no legs. When Smith got up he could feel it move inside of her pocket. However, smith showed little concern and went about his morning activities. Why wasn’t he concerned? ANSWER: It was a coin! Transistor- A solid-state component make from three layers of semiconductor material that can amplify the strength of an electric signal or act as an electronic switch. (pg. 647)

DAY 132 BRAINTEASER / WOD Two legs I have, and this will confound: Only at rest do they touch the ground! What am I? ANSWER: Volume- The amount of space an object occupies. (pg. 52)

DAY 132 BRAINTEASER / WOD Two legs I have, and this will confound: Only at rest do they touch the ground! What am I? ANSWER: A wheelbarrow!!!! Volume- The amount of space an object occupies. (pg. 52)

DAY 133 BRAINTEASER / WOD An old man said to a young man, “I have a daughter. She has as many brothers as she has sisters. Each one of her brothers has twice as many sisters as he has brothers. How many sons and daughters do I have? ANSWER: Amino Group- Consists of one nitrogen atom covalently bonded to two hydrogen atoms (pg. 259)

DAY 133 BRAINTEASER / WOD An old man said to a young man, “I have a daughter. She has as many brothers as she has sisters. Each one of her brothers has twice as many sisters as he has brothers. How many sons and daughters do I have? ANSWER: 3 Sons and 4 Daughters Amino Group- Consists of one nitrogen atom covalently bonded to two hydrogen atoms (pg. 259)

DAY 134 BRAINTEASER / WOD While walking across a bridge I saw a boat full of people. Yet on the boat there wasn’t a single person. Why? ANSWER: Chemical Energy- Energy stored in chemical bonds (pg. 377)

DAY 134 BRAINTEASER / WOD While walking across a bridge I saw a boat full of people. Yet on the boat there wasn’t a single person. Why? ANSWER: They were all married! Chemical Energy- Energy stored in chemical bonds (pg. 377)

Translate the following group of letters: YYYMEN
DAY 135 BRAINTEASER / WOD Translate the following group of letters: YYYMEN ANSWER: Doppler Effect- Change in the frequency of a sound wave that occurs when the sound source and the listener are in motion relative to each other. (pg 496)

Translate the following group of letters: YYYMEN
DAY 135 BRAINTEASER / WOD Translate the following group of letters: YYYMEN ANSWER: Three Wise Men! Doppler Effect- Change in the frequency of a sound wave that occurs when the sound source and the listener are in motion relative to each other. (pg 496)

DAY 136 BRAINTEASER / WOD You put money in your new bank account every day. You deposit money in your bank account in such a way that the money doubles with each passing day. If you put 1 cent the first day, 2 cents the second day, 4 cents the third day and so on, then your bank account gets full on the 9th day. On which day will your bank account be half-full? ANSWER: Electric Discharge- Rapid movement of excess charge from one place to another (pg. 589)

DAY 136 BRAINTEASER / WOD You put money in your new bank account every day. You deposit money in your bank account in such a way that the money doubles with each passing day. If you put 1 cent the first day, 2 cents the second day, 4 cents the third day and so on, then your bank account gets full on the 9th day. On which day will your bank account be half-full? ANSWER: 8th day. The account doubles everyday so on the next to the last day the account will be ½ full! Electric Discharge- Rapid movement of excess charge from one place to another (pg. 589)

DAY 137 BRAINTEASER / WOD Bright as diamonds, Loud as thunder, Never still, A thing of Wonder. What am I? ANSWER: Fundamental Frequency- Lowest natural frequency that is produced by a vibrating object, such as a string or a column of air (pg 503)

DAY 137 BRAINTEASER / WOD Bright as diamonds, Loud as thunder, Never still, A thing of Wonder. What am I? ANSWER: A waterfall! Fundamental Frequency- Lowest natural frequency that is produced by a vibrating object, such as a string or a column of air (pg 503)

DAY 138 BRAINTEASER / WOD I have four wings, but cannot fly, I never laugh and never cry; On the same spot I’m always found, toiling away with little sound. What am I? ANSWER: Hydroxyl Group- Consists of an oxygen atom and a hydrogen atom joined by a covalent bond; represented by the formula –OH. (pg. 258)

DAY 138 BRAINTEASER / WOD I have four wings, but cannot fly, I never laugh and never cry; On the same spot I’m always found, toiling away with little sound. What am I? ANSWER: A windmill! Hydroxyl Group- Consists of an oxygen atom and a hydrogen atom joined by a covalent bond; represented by the formula –OH. (pg. 258)

DAY 139 BRAINTEASER / WOD A giraffe, camel, bear, pig, frog, alligator, snake, two mice, and an elephant are all under one regular size umbrella. How many got wet? ANSWER: Inhibitor- substance that slows down a chemical reaction, making the formation of a certain amount of product take longer. (pg. 204)

DAY 139 BRAINTEASER / WOD A giraffe, camel, bear, pig, frog, alligator, snake, two mice, and an elephant are all under one regular size umbrella. How many got wet? ANSWER: None! It wasn’t raining! Inhibitor- substance that slows down a chemical reaction, making the formation of a certain amount of product take longer. (pg. 204)

DAY 140 BRAINTEASER / WOD Karen, Jeff, and Chris have 42 baseball cards together. Chris has twice as many as Karen. Karen has 6 fewer cards than Jeff. How many cards does each person have? ANSWER: Light Ray- Narrow beam of light traveling in a straight line. (pg. 550)

DAY 140 BRAINTEASER / WOD Karen, Jeff, and Chris have 42 baseball cards together. Chris has twice as many as Karen. Karen has 6 fewer cards than Jeff. How many cards does each person have? ANSWER: Karen has 9. Jeff has 15 and Chris has 18. Light Ray- Narrow beam of light traveling in a straight line. (pg. 550)

DAY 141 BRAINTEASER / WOD What has roots that nobody sees, and is taller than trees? Up, up it goes, and yet it never grows. What is it? ANSWER: Mechanical Advantage- Number of times the input force is multiplied by a machine; equal to the output force divided by the input force. (pg 443)

DAY 141 BRAINTEASER / WOD What has roots that nobody sees, and is taller than trees? Up, up it goes, and yet it never grows. What is it? ANSWER: A mountain! Mechanical Advantage- Number of times the input force is multiplied by a machine; equal to the output force divided by the input force. (pg 443)

What loses a head in the morning, but gains a head at night?
DAY 142 BRAINTEASER / WOD What loses a head in the morning, but gains a head at night? ANSWER: Nonmetals- Elements that are usually gases or brittle solids and poor conductors of electricity and heat; are the basis of the chemicals of life. (pg. 85)

What loses a head in the morning, but gains a head at night?
DAY 142 BRAINTEASER / WOD What loses a head in the morning, but gains a head at night? ANSWER: A Pillow! Nonmetals- Elements that are usually gases or brittle solids and poor conductors of electricity and heat; are the basis of the chemicals of life. (pg. 85)

DAY 143 BRAINTEASER / WOD I know a thousand faces, and count the tailed heads, feasting bright upon the eyes, of many who have died. Wielding well a mighty power who hath but humble stature, masses fall upon their knees, to scare behold my only side. ANSWER: Pitch- how high or low a sound is (pg. 494)

DAY 143 BRAINTEASER / WOD I know a thousand faces, and count the tailed heads, feasting bright upon the eyes, of many who have died. Wielding well a mighty power who hath but humble stature, masses fall upon their knees, to scare behold my only side. ANSWER: A Coin Pitch- how high or low a sound is (pg. 494)

DAY 144 BRAINTEASER / WOD George makes the following proposition to Mike: “I will let you flip a coin 20 times. Each time the coin lands on heads, I will give you $2. However, each time the coin lands on tails, you must give me $3. Mike flips the coin 20 times and the end result is that no money is to change hands. How many times did the coin land on heads? ANSWER: Reactivity- Describes how easily something reacts with something else. (pg. 140)

DAY 144 BRAINTEASER / WOD George makes the following proposition to Mike: “I will let you flip a coin 20 times. Each time the coin lands on heads, I will give you $2. However, each time the coin lands on tails, you must give me $3. Mike flips the coin 20 times and the end result is that no money is to change hands. How many times did the coin land on heads? ANSWER: 12 times! Reactivity- Describes how easily something reacts with something else. (pg. 140)

What does the following represent? NNNNNNN AAAAAAA CCCCCCC
DAY 145 BRAINTEASER / WOD What does the following represent? NNNNNNN AAAAAAA CCCCCCC ANSWER: Series Circuit- Circuit that has only one path for electric current to follow. (pg. 598)

What does the following represent? NNNNNNN AAAAAAA CCCCCCC
DAY 145 BRAINTEASER / WOD What does the following represent? NNNNNNN AAAAAAA CCCCCCC ANSWER: 7 up cans! Series Circuit- Circuit that has only one path for electric current to follow. (pg. 598)

DAY 146 BRAINTEASER / WOD I’m sometimes white, Although sometimes I’m black. I take you there, But never bring you back. What am I? Hint: This has nothing to do with Michael Jackson ANSWER: Transverse Wave- A type of mechanical wave in which the wave energy causes matter in the medium to move up and down or back and forth at right angles to the direction the wave travels. (pg. 464)

DAY 146 BRAINTEASER / WOD I’m sometimes white, Although sometimes I’m black. I take you there, But never bring you back. What am I? Hint: This has nothing to do with Michael Jackson ANSWER: A Hearse! Transverse Wave- A type of mechanical wave in which the wave energy causes matter in the medium to move up and down or back and forth at right angles to the direction the wave travels. (pg. 464)

DAY 147 BRAINTEASER / WOD You must keep this thing, its loss will affect your brothers. For once yours is lost, it will soon be lost by others. ANSWER: Amplitude- For a transverse wave, one half the distance between a crest and a trough. (pg. 467)

DAY 147 BRAINTEASER / WOD You must keep this thing, its loss will affect your brothers. For once yours is lost, it will soon be lost by others. ANSWER: Your temper! Amplitude- For a transverse wave, one half the distance between a crest and a trough. (pg. 467)

DAY 148 BRAINTEASER / WOD A certain large animal lives happily and thrives here on Earth. One day, every single one of these critters is wiped out by a mysterious disease which affect only this particular animal. There are none left anywhere on Earth—they are all gone. About a year or so later, they begin to reappear on Earth again. How can this be? ANSWER: Chemical Equation- shorthand form for writing what reactants are used and what products are formed in a chemical reaction. (pg. 192)

DAY 148 BRAINTEASER / WOD A certain large animal lives happily and thrives here on Earth. One day, every single one of these critters is wiped out by a mysterious disease which affect only this particular animal. There are none left anywhere on Earth—they are all gone. About a year or so later, they begin to reappear on Earth again. How can this be? ANSWER: The animal is the Mule. Since all mules are born sterile, you can only get a mule by crossing a donkey with a horse. That is how the species is able to repopulate itself! Chemical Equation- shorthand form for writing what reactants are used and what products are formed in a chemical reaction. (pg. 192)

DAY 149 BRAINTEASER / WOD Although I exist alone, I am often intertwined with others as the threads of a spider web. When worn there’s an expression that signifies you shall not leave me. A man with a name meaning knowledgeable one once said that I am part of a set of four and that I have less than ten folds. What am I? ANSWER: Electric Field- Surrounds every electric charge and exerts forces on other electric charges. (pg. 587)

DAY 149 BRAINTEASER / WOD Although I exist alone, I am often intertwined with others as the threads of a spider web. When worn there’s an expression that signifies you shall not leave me. A man with a name meaning knowledgeable one once said that I am part of a set of four and that I have less than ten folds. What am I? ANSWER: A path. Electric Field- Surrounds every electric charge and exerts forces on other electric charges. (pg. 587)

DAY 150 BRAINTEASER / WOD I with borrowed silver shine, what you see is none of mine. First I show you but a quarter like the bow that guards the tartar; then the half, and then the whole, ever dancing round the pole; and true it is, I chiefly owe my beauty to the shades below. ANSWER: Hypothesis- Reasonable guess that can be tested and is based on what is known and what is observed. (pg. 14)

DAY 150 BRAINTEASER / WOD I with borrowed silver shine, what you see is none of mine. First I show you but a quarter like the bow that guards the tartar; then the half, and then the whole, ever dancing round the pole; and true it is, I chiefly owe my beauty to the shades below. ANSWER: The Moon! Hypothesis- Reasonable guess that can be tested and is based on what is known and what is observed. (pg. 14)

DAY 151 BRAINTEASER / WOD I run over fields and woods all day. Under the bed at night I sit not alone. My tongue hangs out, up and to the rear, awaiting to be filled in the morning. What am I? ANSWER: Input Force- Force exerted on a machine. (pg. 412)

DAY 151 BRAINTEASER / WOD I run over fields and woods all day. Under the bed at night I sit not alone. My tongue hangs out, up and to the rear, awaiting to be filled in the morning. What am I? ANSWER: A shoe! Input Force- Force exerted on a machine. (pg. 412)

DAY 152 BRAINTEASER / WOD I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I? ANSWER: Mechanical Wave- A type of wave that can travel only through matter. (pg. 463)

DAY 152 BRAINTEASER / WOD I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I? ANSWER: Sand Mechanical Wave- A type of wave that can travel only through matter. (pg. 463)

DAY 153 BRAINTEASER / WOD Dead on a field lie ten soldiers in white, felled by three eyes, black as night. What happened? ANSWER: Nonrenewable resource- Energy resource that is used up much faster than it can be replaced. (pg. 388)

DAY 153 BRAINTEASER / WOD Dead on a field lie ten soldiers in white, felled by three eyes, black as night. What happened? ANSWER: A strike was thrown while bowling! Nonrenewable resource- Energy resource that is used up much faster than it can be replaced. (pg. 388)

DAY 154 BRAINTEASER / WOD An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes. What is it? ANSWER: Polar Bond- Bond resulting from the unequal sharing of electrons. (pg. 174)

DAY 154 BRAINTEASER / WOD An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes. What is it? ANSWER: A needle and thread Polar Bond- Bond resulting from the unequal sharing of electrons. (pg. 174)

DAY 155 BRAINTEASER / WOD You are walking through a field and find something to eat. It doesn’t have bones and it doesn’t have meat. You pick it up and put it in your pocket. You take it home and put it on a shelf, but 3 days later it walks away. What is it? ANSWER: Read-only Memory- Electronic memory that is permanently stored within a computer. (pg. 652)

DAY 155 BRAINTEASER / WOD You are walking through a field and find something to eat. It doesn’t have bones and it doesn’t have meat. You pick it up and put it in your pocket. You take it home and put it on a shelf, but 3 days later it walks away. What is it? ANSWER: An egg! Read-only Memory- Electronic memory that is permanently stored within a computer. (pg. 652)

DAY 156 BRAINTEASER / WOD A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be? ANSWER: SI- International System of Units, related by multiples of ten, designed to provide a worldwide standard of physical measurement. (pg. 50)

DAY 156 BRAINTEASER / WOD A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be? ANSWER: With a camera she shoots a picture of her husband, goes into her darkroom puts the paper in the chemicals for 5 minutes, hangs the picture up to dry. SI- International System of Units, related by multiples of ten, designed to provide a worldwide standard of physical measurement. (pg. 50)

DAY 157 BRAINTEASER / WOD Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday? ANSWER: Turbine- Set of steam-powered fan blades that spins a generator at a power plant. (pg. 384)

DAY 157 BRAINTEASER / WOD Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday? ANSWER: Yesterday, Today, and Tomorrow! Turbine- Set of steam-powered fan blades that spins a generator at a power plant. (pg. 384)

DAY 158 BRAINTEASER / WOD I am something that nothing is, but yet I have a name. I am sometimes tall and sometimes short. I join your talks; I join your sport, and I play in every game. What am I? ANSWER: Analog Signal- A electronic signal that carries information and varies smoothly with time. (pg. 642)

DAY 158 BRAINTEASER / WOD I am something that nothing is, but yet I have a name. I am sometimes tall and sometimes short. I join your talks; I join your sport, and I play in every game. What am I? ANSWER: A Handshake! Analog Signal- A electronic signal that carries information and varies smoothly with time. (pg. 642)

DAY 159 BRAINTEASER / WOD You’re driving a bus that is leaving from Los Angeles and ending in San Francisco. To start off with, there were 32 passengers on the bus. At the next stop, 11 people get off and 9 people get on. At the next stop, 12 people got on and 16 people got off. At the next stop, 5 people got on and 3 people got off. What color are the bus drivers eyes? ANSWER: Chemical Formula- Combination of chemical symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule. (pg. 178)

DAY 159 BRAINTEASER / WOD You’re driving a bus that is leaving from Los Angeles and ending in San Francisco. To start off with, there were 32 passengers on the bus. At the next stop, 11 people get off and 9 people get on. At the next stop, 12 people got on and 16 people got off. At the next stop, 5 people got on and 3 people got off. What color are the bus drivers eyes? ANSWER: What color are your eyes? Chemical Formula- Combination of chemical symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule. (pg. 178)

Where is the only place that yesterday always follows today?
DAY 160 BRAINTEASER / WOD Where is the only place that yesterday always follows today? ANSWER: Electric Force- Attractive or repulsive force exerted by all charged objects on each other. (pg. 587)

Where is the only place that yesterday always follows today?
DAY 160 BRAINTEASER / WOD Where is the only place that yesterday always follows today? ANSWER: The Dictionary! Electric Force- Attractive or repulsive force exerted by all charged objects on each other. (pg. 587)

I know a word of three letters. Add two, and fewer there will be!
DAY 161 BRAINTEASER / WOD I know a word of three letters. Add two, and fewer there will be! ANSWER: Instantaneous Speed- The speed of an object at one instant of time. (pg. 285)

I know a word of three letters. Add two, and fewer there will be!
DAY 161 BRAINTEASER / WOD I know a word of three letters. Add two, and fewer there will be! ANSWER: Few Instantaneous Speed- The speed of an object at one instant of time. (pg. 285)

The more you take the more you leave behind! What are they?
DAY 162 BRAINTEASER / WOD The more you take the more you leave behind! What are they? ANSWER: Medium- Material through which a wave travels. (pg. 551)

The more you take the more you leave behind! What are they?
DAY 162 BRAINTEASER / WOD The more you take the more you leave behind! What are they? ANSWER: Footsteps! Medium- Material through which a wave travels. (pg. 551)

DAY 163 BRAINTEASER / WOD Take away my first letter; take away my second letter; take away all my letters, and I would remain the same. What am I? ANSWER: Nuclear Energy- Energy contained in atomic nuclei. (pg. 378)

DAY 163 BRAINTEASER / WOD Take away my first letter; take away my second letter; take away all my letters, and I would remain the same. What am I? ANSWER: A Mailman! Nuclear Energy- Energy contained in atomic nuclei. (pg. 378)

When can you add two to eleven and get one as the correct answer?
DAY 164 BRAINTEASER / WOD When can you add two to eleven and get one as the correct answer? ANSWER: Polymer- Large molecule made up of small repeating units linked by covalent bonds to form a long chain. (pg. 262)

When can you add two to eleven and get one as the correct answer?
DAY 164 BRAINTEASER / WOD When can you add two to eleven and get one as the correct answer? ANSWER: Add 2 hours to 11 o’clock and it is 1 o’clock! Polymer- Large molecule made up of small repeating units linked by covalent bonds to form a long chain. (pg. 262)

You can keep it only after giving it away to someone else. What is it?
DAY 165 BRAINTEASER / WOD You can keep it only after giving it away to someone else. What is it? ANSWER: Reflecting Telescope- Uses a concave mirror to gather light from distant objects. (pg. 569)

You can keep it only after giving it away to someone else. What is it?
DAY 165 BRAINTEASER / WOD You can keep it only after giving it away to someone else. What is it? ANSWER: Your Word! Reflecting Telescope- Uses a concave mirror to gather light from distant objects. (pg. 569)

What turns everything around, but does not move?
DAY 166 BRAINTEASER / WOD What turns everything around, but does not move? ANSWER: Simple Machine- A machine that does work with only one movement. (pg. 417)

What turns everything around, but does not move?
DAY 166 BRAINTEASER / WOD What turns everything around, but does not move? ANSWER: A Mirror! Simple Machine- A machine that does work with only one movement. (pg. 417)

What 7 letter word becomes longer when the third letter is removed?
DAY 167 BRAINTEASER / WOD What 7 letter word becomes longer when the third letter is removed? ANSWER: Aqueous- Solution in which water is the solvent. (pg. 224)

What 7 letter word becomes longer when the third letter is removed?
DAY 167 BRAINTEASER / WOD What 7 letter word becomes longer when the third letter is removed? ANSWER: Lounger. Aqueous- Solution in which water is the solvent. (pg. 224)

DAY 168 BRAINTEASER / WOD Not born, but from a Mother’s body drawn, I hang until half of me is gone. I sleep in a cave until I grow old, then valued for my hardened gold. ANSWER: Chemical Property- Characteristic of something that permits its change to something new. (pg. 139)

DAY 168 BRAINTEASER / WOD Not born, but from a Mother’s body drawn, I hang until half of me is gone. I sleep in a cave until I grow old, then valued for my hardened gold. ANSWER: Cheese! Chemical Property- Characteristic of something that permits its change to something new. (pg. 139)

What is it that has four legs, one head, and one foot?
DAY 169 BRAINTEASER / WOD What is it that has four legs, one head, and one foot? ANSWER: Electric Power- Rate at which electrical energy is converted into other forms of energy, measured in watts (W) or kilowatts (kW). (pg. 600)

What is it that has four legs, one head, and one foot?
DAY 169 BRAINTEASER / WOD What is it that has four legs, one head, and one foot? ANSWER: A bed! Electric Power- Rate at which electrical energy is converted into other forms of energy, measured in watts (W) or kilowatts (kW). (pg. 600)

See if you can translate the following: YYURYYUBICURYY4ME
DAY 170 BRAINTEASER / WOD See if you can translate the following: YYURYYUBICURYY4ME ANSWER: Insulator- Material in which electrons cannot move easily. (pg. 588)

See if you can translate the following: YYURYYUBICURYY4ME
DAY 170 BRAINTEASER / WOD See if you can translate the following: YYURYYUBICURYY4ME ANSWER: Too wise you are, Too wise you be; I see you are, Too wise for me. Insulator- Material in which electrons cannot move easily. (pg. 588)

DAY 171 BRAINTEASER / WOD What goes through the door without pinching itself? What sits on the stove without burning itself? What sits on the table and is not ashamed? ANSWER: Melting- Change of matter from a solid state to a liquid state. (pg. 109)

DAY 171 BRAINTEASER / WOD What goes through the door without pinching itself? What sits on the stove without burning itself? What sits on the table and is not ashamed? ANSWER: The Sun Melting- Change of matter from a solid state to a liquid state. (pg. 109)

DAY 172 BRAINTEASER / WOD A cloud was my mother, the wind is my father, my son is the cool stream, and my daughter is the fruit of the land. A rainbow is my bed, the earth my final resting place, and I’m the torment of man. ANSWER: Nucleus- Positively charged, central part of an atom. (pg. 77)

DAY 172 BRAINTEASER / WOD A cloud was my mother, the wind is my father, my son is the cool stream, and my daughter is the fruit of the land. A rainbow is my bed, the earth my final resting place, and I’m the torment of man. ANSWER: The Rain Nucleus- Positively charged, central part of an atom. (pg. 77)

DAY 173 BRAINTEASER / WOD It’s been around for millions of years, but it’s not more than a month old. What is it? ANSWER: Polymerization- A chemical reaction in which monomers are bonded together. (pg. 262)

DAY 173 BRAINTEASER / WOD It’s been around for millions of years, but it’s not more than a month old. What is it? ANSWER: The Moon! Polymerization- A chemical reaction in which monomers are bonded together. (pg. 262)

DAY 174 BRAINTEASER / WOD From house to house he goes, A messenger small and slight. And whether it rains or snows, He sleeps outside at night. What am I? ANSWER: Reflection- Occurs when a wave strikes an object or surface and bounces off. (pg. 473)

DAY 174 BRAINTEASER / WOD From house to house he goes, A messenger small and slight. And whether it rains or snows, He sleeps outside at night. What am I? ANSWER: A street or a road! Reflection- Occurs when a wave strikes an object or surface and bounces off. (pg. 473)

DAY 175 BRAINTEASER / WOD If you only had one match, on a freezing winter day, and you entered a room which contained a lamp, a kerosene heater, and a wood burning stove, which should you light first? ANSWER: Size-dependent properties: Physical properties-such as density-that change when the size of the object changes. (pg. 136)

DAY 175 BRAINTEASER / WOD If you only had one match, on a freezing winter day, and you entered a room which contained a lamp, a kerosene heater, and a wood burning stove, which should you light first? ANSWER: The match! Size-dependent properties: Physical properties-such as density-that change when the size of the object changes. (pg. 136)

DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years.

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DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years.

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Presentation on theme: "DAY 1 BRAINTEASER / WOD A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years."— Presentation transcript:

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