Mechanical Energy Vocab

Which of the following best describes kinetic energy?

• Energy stored in an object due to its position

• Energy an object possesses due to its motion

• Energy stored in chemical bonds

• Energy stored in a compressed spring

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

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What type of energy is stored in a stretched rubber band?

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

• Chemical potential energy

What happens to the potential energy of an object as it is lifted higher above the ground?

• It decreases

• It remains the same

• It increases

• It converts to kinetic energy

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NGSS.MS-PS3-2

Which of the following is an example of chemical potential energy?

• A moving car

• A compressed spring

• A battery

• A rock at the top of a hill

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NGSS.MS-PS3-2

How does the speed of an object affect its kinetic energy?

• Kinetic energy does not depend on speed

• Kinetic energy decreases when speed increases

• Kinetic energy increases when speed increases

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NGSS.MS-PS3-1

Which of the following best describes the law of conservation of energy?

• Energy can be created and destroyed, it is just very hard to do

• Energy can be transformed from one form to another, or transferred to another object

• Energy is always lost as heat

• Energy is only conserved in closed systems

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A ball is dropped from a height. As it falls, what happens to its potential and kinetic energy?

• Potential energy increases, kinetic energy decreases

• Potential energy decreases, kinetic energy increases

• Both potential and kinetic energy increase

• Both potential and kinetic energy decrease

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

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Which of the following is an example of gravitational potential energy?

• A stretched rubber band

• A book on a shelf

• A moving bicycle

• A charged battery

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NGSS.MS-PS3-2

If two objects have the same speed but different masses, which one has more kinetic energy?

• The object with less mass

• The object with more mass

• Both have the same kinetic energy

• It depends on the direction of motion

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NGSS.MS-PS3-1

What type of energy transformation occurs when a battery powers a flashlight?

• Kinetic to potential energy

• Chemical to light energy

• Gravitational to kinetic energy

• Elastic to thermal energy

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NGSS.MS-PS3-5