Energy Exam Review

Which energy transformation occurs when classroom lights are switched on?

• Electrical energy is transformed into light energy.

• Light energy is transformed into electrical energy.

• Heat energy is transformed into sound energy.

• Sound energy is transformed into heat energy.

When gasoline is put into a car, it changes from chemical energy to mechanical energy. In this process, some energy is

• created

• destroyed

• changed to matter

• changed to heat

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NGSS.MS-PS3-5

Which statement best describes the energy changes that occur while a child is riding on a sled down a steep, snow-covered hill?

• Kinetic energy decreases and potential energy increases.

• Kinetic energy increases and potential energy decreases.

• Both potential energy and kinetic energy decrease.

• Both potential energy and kinetic energy increase.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

In the diagram below, at which position will the ball have the greatest kinetic energy?

• A

• B

• C

• D

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy from the Sun reaches Earth mainly by the process of

• conduction

• convection

• reflection

• radiation

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NGSS.MS-ESS2-6

How is heat energy transferred within the liquid water in the pond?

• compound formation

• chemical reactions

• convection currents

• nuclear reactions

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NGSS.MS-PS3-4

Compared to the particles in liquid water, the particles in solid ice move

• faster and resist changes in position

• faster and easily change position

• slower and resist changes in position

• slower and easily change position

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NGSS.MS-PS1-4

The diagram below represents the path of a ball after it has been thrown. Letters A, B, C, and D represent different locations in the path that the ball traveled. At which location did the ball have the greatest potential energy?

• A

• B

• C

• D

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NGSS.MS-PS3-2

Moving water in a river is considered a renewable resource because it

• carries dissolved oxygen

• easily erodes sediments

• is made of natural gas

• can be recycled by nature over time

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NGSS.MS-ESS2-4

Which type of potential energy does a spring contain?

• Gravitational

• Chemical

• Elastic

• Kinetic