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Physical Science Review 1
Test Description: Answer the review questions and fill our the worksheet.
Instructions: Answer all questions to get your test result.
1) A researcher hypothesizes that a new club can improve a person's golf score. Which of these would most likely be the dependent variable in a study involving this golf club?
A
the ages of people who golf with other golf clubs
B
the number of participants in the study
C
the number of people who buy other kinds of golf clubs
D
the golf scores of the participants in the study
2) A student wishes to study to effect of proper hydration of the performance of her school's track team. The dependent variable will probably be
A
the amount of water consumed by each runner
B
the number of medals awarded to the track team during the season
C
the amount of time it takes each runner to completed a certain event
D
the number of hours that each runner trained before the competition
3) A group of scientists claim that a new type of fuel will help reduce greenhouse gas emissions. To evaluate this claim you can
A
test the amount of greenhouse gases released when the fuel is burned
B
Study the effect of a fuel spill on wetland ecosystems
C
Calculate the price of producing the fuel
D
determine the efficiency of the fuel in different types of engines
4) You have gathered information about which websites your classmates visit to research science questions. What type of graph would best represent this information?
A
line graph
B
pie chart
C
bar graph
D
scatter plot
5) Water changes shape to fill the shape of its container. What is the best explanation for this?
A
It's a chemical property of water
B
It's a physical property of water
C
The molecules in water are constantly moving
D
The particles in water have low energy
6) Which of the following is a physical property of water?
A
Water reacts with sodium
B
Water is a liquid at room temperature
C
Water is not flammable
D
Water has a pH of 7
7) Which of the following would you describe as a change in state?
A
film being exposed to light
B
burning paper
C
a piece of paper being cut in half
D
melting ice
8) Which of the following would you describe as a change in state?
A
a piece of paper being cut in half
B
film being exposed to light
C
melting ice
D
burning paper
9) What is the boiling point of water?
A
100C
B
212C
C
32C
D
0C
10) Which of the following is a reversible physical change?
A
burning coal
B
bread rising in an oven
C
chopping onions
D
boiling water
*select an answer for all questions
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