Forms 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.

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.

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

Which of the following terms is synonymous with potential energy?

• Stored energy

• Motion energy

• Light energy

• Kinetic energy

What would happen if you didn't have chemical energy in your body? Choose the best answer.

• You wouldn't be able to think.

• You wouldn't be able to move.

• You wouldn't be able to sleep.

• You wouldn't be able to sit.

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

• Lightning

• Volcanoes

• The moon

• The sun

Which of the following is an opinion about energy?

• Power plants and batteries supply us with electrical energy

• Kinetic energy is the energy of motion

• Chemical energy is the most important source of energy

• Solar energy can be used to power people's homes

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

How is nuclear energy released?

• By burning fuel

• By moving turbines

• By chemicals mixing

• By atoms fusing together or splitting apart