Presentation on theme: "Jeopardy A?B?C?D?E? $100 $200 $300 $400 $500 ANSWER Any force on an object causes it to change this."— Presentation transcript:
Jeopardy A?B?C?D?E? $100 $200 $300 $400 $500
ANSWER Any force on an object causes it to change this
QUESTION What is: Its motion
ANSWER The name of the force that pulls any two objects toward each other
QUESTION What is: gravity
ANSWER Astronauts weigh less on the moon than on Earth because the Moon has this
QUESTION What is: LESS GRAVITY than Earth
ANSWER This is the name of the force that slows moving objects down
QUESTION What is: friction
ANSWER The child who has the most potential energy is the one who is sitting here on the slide
QUESTION What is: sitting at THE TOP of the slide
ANSWER When a person starts to move, potential energy changes to this
QUESTION What is: Kinetic energy
ANSWER A battery-powered car uses this type of energy
QUESTION What is: Chemical energy
ANSWER When you carry the laundry downstairs (you DO carry the laundry downstairs, DON’T YOU???). Anyways, when you carry the laundry downstairs, you are do this
QUESTION What is: WORK!
ANSWER A nail is an example of this type of simple machine
QUESTION What is: a wedge
ANSWER You would use this type of simple machine to move a heavy box up a ramp
QUESTION What is: an Inclined Plane
ANSWER A compound machine is a machine that contains more than one of this
QUESTION What is: more than one SIMPLE MACHINE
ANSWER This is a force that occurs when two objects rub against each other
QUESTION What is: FRICTION
ANSWER Just after you kick a soccer ball, it has this type of energy
QUESTION What is: KINETIC ENERGY!
ANSWER Astronauts weigh less on the moon that on Earth because of this
QUESTION What is: GRAVITY! The moon has less gravity than Earth.
ANSWER Your weight is a measure of this force
QUESTION What is: GRAVITY
ANSWER This force makes a moving object keep moving or a resting object stay still
QUESTION What is: INTERTIA
ANSWER The brakes on your heelys (spelling?) work because of this force
QUESTION What is: FRICTION
ANSWER You do HEEP BIG WORK when you carry this to school!
QUESTION What is: YOUR BOOK BAG!
ANSWER To a scientist, energy means the ability to do this
QUESTION What is: WORK!!
ANSWER The energy of an object in motion is called this
QUESTION What is: KINETIC ENERGY
ANSWER This simple machine uses a wheel
QUESTION What is: a pulley
ANSWER A wind-up toy can move because of this type of energy
QUESTION What is: Mechanical Energy
ANSWER Mrs. Beckley is carrying Allysa in a baby backpack (Allysa insists!). Allysa weighs 50 kg. Mrs. Beckley would be doing MORE work if this part about Allysa changed (and we don’t mean her diaper)
QUESTION What is: IF ALLYSA’S WEIGHT CHANGED…..say her weight changed to 560 kg.
ANSWER A complex machine is one that uses both of these
QUESTION What is: MANY SIMPLE AND COMPOUND MACHINES
ANSWER A bicycle that moves when you pedal it can move because of this type of energy