Chapter 5: Energy and Energy Resources

What factors determine an object's kinetic energy?

• height and weight

• mass and speed

• weight and speed

• speed and height

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What factors determine an object's potential energy?

• height and weight

• height and speed

• mass and speed

• mass and weight

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When a ball is thrown upward, when does it have the LEAST kinetic energy?

• in the middle

• it stays the same

• at the highest point

• at the lowest point

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A person on a bicycles uses their brakes to slow from 3 m/s to a stop. What stops the bike?

• gravity

• potential energy

• friction

• heat

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What does "nonrenewable energy resource" mean?

• resource made faster than being used

• resource used faster than being made

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What energy resources are considered nonrenewable? SELECT ALL THAT ARE NONRENEWABLE!

• coal

• oil

• natural gas

• nuclear

What energy resources is NOT considered renewable?

• Solar

• Geothermal

• Wind

• Nuclear

• Water

What energy source has been called the MAIN factor in global warming?

• Solar

• Coal

• Natural gas

• Geothermal

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Which of the following scenarios are using inexhaustible resources?

• A building is heated with natural gas.

• A home uses solar panels for electricity.

• Uranium nuclei are split at a nuclear power plant.

• A turbine's propeller spins a generator.

Potential energy can be gravitational, elastic, or _________.

• chemical

• kinetic

• mechanical

• thermal

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