Energy Transformations Quiz 4.2

Recall the speaker and flickering candles from the beginning of the chapter. Describe two energy transformations that occur in this situation. Enter your answer in the space.

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NGSS.MS-PS1-4

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A cue ball hits another billiard ball that is at rest. The cue ball stops and the other ball moves forward. How is energy conserved in this system?

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NGSS.MS-PS2-1

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If energy is conserved, why does a box come to rest after it is given a push?

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NGSS.MS-PS3-1

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A penny is dropped from the top of the tallest building in Texas. Which statement correctly describes the total energy of the penny as it moves from point 1 to point 4?

• The total energy increases as kinetic energy increases.

• The total energy decreases as gravitational potential energy decreases.

• The total energy remains the same as gravitational potential energy transforms into kinetic energy.

• The total energy remains the same as kinetic energy transforms into gravitational potential energy.

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NGSS.MS-PS3-1

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Infer: What energy transformation occurs when a battery-operated radio is used?

• electrical energy to sound

• chemical energy to sound

• chemical potential energy to electrical energy to sound

• elastic potential energy to sound to electrical energy

A bowling ball rolls down the lane and collides with a pin. Both the pin and ball move forward after they collide. Based on your analysis of this system, what happens to the total energy of this system?

• The total energy remains the same because some of the ball's energy is transferred to the pin.

• The total energy remains the same because all of the ball's energy is transferred to the pin.

• The total energy decreases because some of the ball's energy is transferred to the pin.

• The total energy decreases because all of the ball's energy is transferred to the pin.

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NGSS.MS-PS3-1

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