Conservation of Energy

What does the Law of Conservation of Energy state about energy?

• Energy can be created and destroyed at will.

• Energy can neither be created nor destroyed, only transformed.

• Energy is constantly being created from nothing.

• Energy can be destroyed but not created.

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What is radiant energy also referred to as?

• Thermal energy

• Solar energy

• Chemical energy

• Mechanical energy

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What is thermal energy used for?

• To create light

• To heat objects

• To generate electricity

• To move objects

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Which of the following is a source of radiant energy?

• Wind

• Lightbulbs

• Batteries

• Engines

What is another term for radiant energy?

• Sound energy

• Light energy

• Kinetic energy

• Potential energy

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Where does electrical energy come from?

• Nuclear power plants

• The nucleus of an atom

• Outlets and power plants

• A variety of sources

What is sound energy commonly used for?

• Powering electrical devices

• Communication

• Releasing energy from the nucleus of an atom

• Generating electricity

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What type of energy is used in nuclear power plants?

• Electrical

• Sound

• Nuclear

• Mechanical

What is electromagnetic energy?

• Energy that can only travel through solid materials

• Energy in the form of sound waves

• Energy that is reflected or emitted in the form of electrical and magnetic waves that can travel through space

• Energy that is only used in mechanical devices

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Which of the following is an example of a device that uses electromagnetic energy?

• Bicycle

• Gasoline engine

• Cell phone

• Wooden spoon

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