Unit 5: Energy Test Review

In gym class a student kicks a soccer ball high into the air. As the ball goes upward, which type of energy is increasing?

• potential energy

• thermal energy

• kinetic energy

• mechanical enegy

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While on a movie set, a stuntman jumps off the roof of a building. As he falls toward an airbag, what is increasing?

• gravity

• wind velocity

• potential energy

• kinetic energy

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What two factors affect kinetic energy?

• mass

• speed

• height

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When the fuel in a gasoline engine is burned, the energy conversion is from

• chemical to thermal

• thermal to potential

• potential to nuclear

• electrical to kinetic

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Which type of energy is found in fossil fuels?

• mechanical

• radiant

• nuclear

• chemical

Fossil fuels are considered a nonrenewable resource because they

• have turned into solid rock.

• are located deep within Earth’s crust.

• are expensive to remove from rock.

• take a long period of time to form.

Which of these are nonrenewable resources?

• biofuels

• natural gas

• coal

• nuclear

• petroleum

Identify the renewable resources

• solar

• water (hydroelectric)

• nuclear

• petroleum

Identify the renewable resources

• wind

• biofuels

• solar

• geothermal

• petroleum

What is the advantage of using renewable energy sources?

• pollution is created

• no pollution is created

• take a long time to create

• only available for some of the time

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