Forms and Sources of Energy

What is energy? Choose the best answer.

• Anything that radiates light or heat.

• Anything that travels in the form of a wave.

• Any object in motion.

• Anything that makes matter move or change.

Which of these objects has kinetic energy?

• A ball moving through the air.

• A ball sitting on a table.

• A ball buried underground.

• A ball sitting on the edge of a cliff.

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What is the difference between kinetic energy and potential energy?

• Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.

• Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion.

• Potential energy has to do with chemistry; kinetic energy has to do with physics.

• Kinetic energy has to do with chemistry; potential energy has to do with physics.

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Which of the following objects has the most potential energy?

• A ball sitting on a table.

• A ball resting on the ground.

• A ball sitting on a mountaintop.

• A ball that's been thrown into the air.

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Which of the following terms is synonymous with potential energy?

• Stored energy

• Motion energy

• Light energy

• Kinetic energy

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What is the primary source of all light energy on earth?

• Lightning

• Volcanoes

• The Moon

• The Sun

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What do wind and moving water have in common?

• They both have mechanical energy.

• They both have chemical energy.

• They both have light energy.

• They both have nuclear energy.

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How is nuclear energy released?

• By burning fuel

• By moving turbines

• By chemicals mixing

• By atoms fusing together or splitting apart

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Kinetic and potential energy are the two types of energy that relate to:

• Change

• Friction

• Density

• Motion

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What is potential energy?

• The stored energy of an object due to its position or condition.

• The energy that an object has due to its motion.

• The energy an object has due to its speed.

• The energy an object has due to its volume.

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