1: Use the table to answer the question.

Question

Student Name
Student Name | Potential Energy Rating (lowest to highest)
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Henry | gas, liquid, solid
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Jasmine | gas, solid, liquid
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Lucas | solid, gas, liquid
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Tasha | solid, liquid, gas
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2: Use the table to answer the question.

Sample | Initial Temperature (°C) | Final Temperature (°C) |Added Ice (GM)
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1 20.2 16.0 59.9
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2 48.1 44.2 60.0
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3 6.1 1.0 71.1
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4 14.6 3.3 122.6

3: A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes. What is the independent variable in this investigation?(1 point)

1) initial temperature

2) final temperature

3) amount of time

4) ice cubes added
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4: A student conducts an investigation to show the relationship between temperature and kinetic energy. What would the graph of this relationship look like? (1 point)

1) a diagonal line

2) an S-shaped curve

3) a horizontal line

4) a U-shaped curve

Answer 1

3) amount of time