Quarter 1 Jeopardy Review Scientific Method Scientific Method 2 Physical and Chemical Science (1) Physical and Chemical Science (2) Physical and Chemical Science (3) 10 20 30 40 50

Scientific Method 20 points A pet food company tested a new flavor of dog food? Researchers placed two identical bowls on the floor . They put the same amounts of new dog food in one bowl and dog’s usual food in the other. The researchers left the dog in the room and observed which food it ate first. They repeated the process many dogs. Which scientific term BEST describes the usual food of each dog. Category 1 - 10

Scientific Method 20 points Answer: Control

Scientific Method 10 points Michelle performed an investigation, but the results did not match her hypothesis. What should Michelle do next? Category 1 - 20 See Answer

Repeat the investigation Scientific Method 10 points Answer: Repeat the investigation

Scientific Method 30 points Juan finished a jug of milk and placed the lid back on the jug. Later he heard a “pop” and saw the lid on the floor. He decided to conduct an investigation using different empty containers with lids to see how long it takes for the lids to pop off. What will be the outcome (dependent/responding) variable in this investigation? See Answer

Answer: The time it takes for each lid to pop off. Scientific Method 30 points Answer: The time it takes for each lid to pop off.

Scientific Method 40 points A farmer thinks that providing his cows with minerals will help them produce more milk. He places several mineral blocks in one pasture for a certain group of cows. In another pasture he does not provide the mineral block. What type of variable describes the mineral blocks the farmer provides to his cows. See Answer

Answer: the test (manipulated or independent) variable Scientific Method 40 points Answer: the test (manipulated or independent) variable

Scientific Method 50 points Carmen is investigating whether sunflowers grow better in the shade or in full sunlight. She places six sunflower plants in identical pots. Each pot is filled with the same amount and type of soil. Three sunflowers plants are placed in full sunlight and the other three are placed in shade. Carmen gives each plant the same amount of water. Identify the independent/manipulated variable Carmen is testing. See Answer

Answer: The plants growing in the shade compared to Scientific Method 50 points Answer: The plants growing in the shade compared to the plants growing in the sun.

Scientific Method 10 Points During a nature walk, Tori made some observations about a grasshopper. Which statement about the grasshopper is a scientific investigation? The grasshopper is pretty The grasshopper is dangerous The grasshopper is better than a spider. The grasshopper is smaller than the leaf. See Answer

Answer: 10 Points d. The grasshopper is smaller than a leaf. Scientific Method 10 Points Answer: d. The grasshopper is smaller than a leaf.

Scientific Method 20 Points Mabel notices that the lengths the shadows cast by an object change throughout the day. She wants to know at what time of day an object will cast the longest shadow. Mabel puts a long wooden stick in the ground outside. Mabel observes the stick every hour during day. To BEST answer her question, what should she do when she observes the stick every hour? Move the stick to a new location Measure the length of the stick’s shadow. Predict the length of the stick’s shadow. Record the position of the sun in the sky. See Answer

Answer: 20 Points b. Measure the length of the stick’s shadow. Scientific Method 20 Points Answer: b. Measure the length of the stick’s shadow.

Scientific Method 30 Points Marcy wants to know if a ball bounces higher if it is filled up with more air. Marcy uses an air pump to fill three identical ball with different amounts of air. She rolls the ball off the table and watches how each ball bounces. Marcy concludes that balls filled with the most air bounce the highest. Which procedure below will give Marcy quantitative data (evidence) for her conclusion? a) Using a different type of ball for each trial b) Measuring the height each ball bounces c) Rolling each ball off a different table d) Identifying the size of balls used. See Answer

b. Measuring the height each ball Scientific Method 30 Points Answer: b. Measuring the height each ball bounces.

Scientific Method 40 Points Some scientist think their new car fuel will produce fewer chemicals than burning gasoline. The scientist test their hypothesis by perfoming several trials to compare the fuels. If the results of the trials agree with their hypothesis, in which are area will the research MOST likely help? Recycling trash Conserving water Reducing air pollution Protecting endangered species See Answer

C) Reducing air Pollution Scientific Method 40 Points Answer: C) Reducing air Pollution

50 Points Surface Distance (cm) Trial 1 Trial 2 Trial 3 Wood 18 20 18 Scientific Method 50 Points Denise conducted an investigation on the effect of friction on a toy car. Tennis had a ramp that he moved onto four different surfaces. During each trial, he rolled the toy car down the ramp and measured the distance the car traveled from the bottom of the ramp. He repeated the investigation three times on each surface. His data is shown in the table. Surface Distance (cm) Trial 1 Trial 2 Trial 3 Wood 18 20 18 Black Top 16 15 15 Gravel 10 10 8 Sand 8 7 6 Based on Denise’s results, what should he conclude The toy car rolled the greatest distance on the wood The toy car rolled the shortest distance on the gravel The toy car rolled farther on sand than on black top. The toy car rolled farther on gravel than on blacktop. See Answer

Answer: F. The toy car rolled the greatest distance on the wood. Scientific Method 50 Points Answer: F. The toy car rolled the greatest distance on the wood.

Which tool helps us determine Physical Science 10 Points Which tool helps us determine the volume of liquids? See Answer

Physical Science 10 Points Answer: graduated cylinder

Physical Science 20 Points A student completes several tasks while making breakfast. During which task does the student make a solution ? Adding milk to cereal Spreading jelly on toast Sprinkling cheese on eggs Stirring chocolate powder in milk See Answer

d) Stirring chocolate powder in milk Physical Science 20 Points Answer: d) Stirring chocolate powder in milk

Which of these emits light and heat? Physical Science 30 Points Which of these emits light and heat? See Answer

Physical Science 30 Points Answer: The Sun

Physical Science 40 Points The diagram shows the water cycle. What caused the water to evaporate and change to water vapor? See Answer

c) Heat energy from the sun Physical Science 40 Points Answer: c) Heat energy from the sun

A jeweler melts gold jewelry. As gold melts, the mass _________. Physical Science 50 Points A jeweler melts gold jewelry. As gold melts, the mass _________. Increases Decreases Is destroyed Stays the same See Answer

Physical Science 50 Points Answer: stays the same

Physical Science 10 Points Margo moves a box down a ramp . Which tool would Margo need to measure the distance the box was moved? Graduated cylinder Thermometer Meter stick Stopwatch See Answer

Physical Science 10 Points Answer: meter stick

Physical Science 20 Points A student designs an experiment to measure how much heat is absorbed by a glass of a water on a sunny day. The BEST way to measure the energy transfer that occurs during this process is to measure the _________________________________. Mass of the beaker Temperature outside of the beaker Change in the volume of water in the beaker Temperature change of water in the beaker See Answer

Answer: d temperature change of the water in the beaker Physical Science 20 Points Answer: d temperature change of the water in the beaker

30 Points A student places an egg in a container of vinegar. Physical Science 30 Points A student places an egg in a container of vinegar. Bubbles formed on the shell of the egg, and after three days, the shell is gone. Which observation made by the student indicated a chemical change took place? The shell dissolved The shape of the egg is oval The temperature remained the same The vinegar solution remained clear. See Answer

Answer: a. shell dissolved Physical Science 30 Points Answer: a. shell dissolved

Physical Science 40 Points What are two conditions that can be used to speed up the dissolving of sugar in water? See Answer

Answer: Stirring Adding heat to raise the temperature 40 Points Physical Science 40 Points Answer: Stirring Adding heat to raise the temperature

Physical Science 50 Points Ricardo measured an empty graduated cylinder on a balance. He then filled the graduated cylinder with 50 milliliters (mL) of water and measured it again. Based on this information, what is Ricardo MOST likely trying to determine? See Answer

Answer: What is the mass of the water? Physical Science 50 Points Answer: What is the mass of the water?

Robin compared some rocks using a balance. Physical Science 10 Points Robin compared some rocks using a balance. Which property of the rocks did she MOST likely compare? See Answer

Physical Science 10 Points Answer: mass

Paula determines a property of marble using Physical Science 20 Points Paula determines a property of marble using a graduated cylinder.What property does Paula MOST likely determine by using this tool? See Answer

Physical Science 20 Points Answer: volume

Chris is observing an experiment in class? Physical Science 30 Points Chris is observing an experiment in class? His teacher heats a liquid and it changes to a gas. What kind of change has taken place? Why? See Answer

Answer: ( physical plus an explanation) Physical Science 30 Points Answer: ( physical plus an explanation)

Physical Science 40 Points If you crumple a piece of paper into a ball, is the change or physical or chemical ? Why? See Answer

Answer: The shape of the paper changed, but is still paper. Physical Science 40 Points Answer: The shape of the paper changed, but is still paper.

The process of burning is called combustion. Physical Science 50 Points The process of burning is called combustion. 1)A______ happens when one substance changes into another substance. 2)When objects change by tearing, crushing, or melting, but do not change into different substances, a ______ has occurred. See Answer

Answer: 1.Chemical Change 2. Physical Change 50 Points Physical Science 50 Points Answer: 1.Chemical Change 2. Physical Change