IPC QUIZ #13- CONSERVATION OF ENERGY

What does the Law of Conservation of Energy state?

• Energy cannot be created or destroyed
• Nothing can exchange energy
• Energy will increase over time.
• Energy will decrease over time.

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Is energy always conserved?

• Always
• Often
• Never
• Sometimes

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Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

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Work is:

• A transfer of energy by a force to move and object
• Something you get paid for
• Something you take home
• Makes you sweat

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What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

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According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

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What are the units of energy?

• Watt

• Newton

• Joule

• Kelvin

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A skydiver jumps out of a helicopter. What is happening in terms of energy?

• He is gaining potential energy as he falls, and losing kinetic energy.

• He is gaining kinetic energy as he falls and losing potential energy.

• His kinetic and potential energy is always the same.

• He is gaining kinetic and potential energy at the same time.

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The faster an object moves, the _______________ kinetic energy it must carry.

• more

• less

• constant

• varying

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What form of energy does a compressed spring have?

• heat energy

• kinetic energy

• chemical energy

• potential energy

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