Energy Unit Test Review

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

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What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

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A force is a −

• push.
• pull.
• magnet.
• push or pull.

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To make things move, you need a −

• force.
• strong magnet.
• metal object.
• helper.

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Which statement best defines Mechanical Energy?

• Energy produced by a machine or moving part.

• Energy that is produced by an electrical current in a circuit.

• Energy from the sun.

• Energy that travels in waves due to vibrations.

The energy associated with the motion and position of an object is

• A. Electrical Energy

• B. Mechanical Energy

• C. Light Energy

• D. Sound Energy

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What are the units for energy?

• Watts

• Joules

• Newtons

• meters

What has to be true about an object for it to have kinetic energy?

• it must be moving

• it must be elevated

• it must be experiencing a net force

• it must be accelerating

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Does your desk have kinetic energy right now? Explain and justify your answer.

• yes because it is sliding across the room right now

• no because it is not moving

• yes because it has someone sitting in it

• no because it is here on earth

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