Exploring Energy: Potential and Kinetic

Which of the following best describes potential energy?

• Energy of motion

• Stored energy due to position

• Energy from the sun

• Energy from food

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NGSS.MS-PS3-2

A ball is held at the top of a hill. What kind of energy does it have before it is allowed to roll down the hill?

• Kinetic energy

• Potential energy

• Electrical energy

• Thermal energy

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NGSS.MS-PS3-2

Which of these is an example of kinetic energy?

• A stretched rubber band

• A book on a shelf

• A rolling skateboard

• A battery

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NGSS.MS-PS3-1

Imagine you are riding a bicycle up a hill and then coasting down the other side. Explain how your energy changes as you go up and then down the hill.

• You gain kinetic energy going up and lose it going down

• You gain potential energy going up and lose it going down as it turns into kinetic energy

• Your energy stays the same the whole time

• You only have kinetic energy

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NGSS.MS-PS3-1

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NGSS.MS-PS3-5

If you lift a rock higher off the ground, what happens to its potential energy?

• It decreases

• It stays the same

• It increases

• It disappears

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NGSS.MS-PS3-2

Which situation shows a change from potential energy to kinetic energy?

• A car parked in a garage

• A ball rolling on the ground

• A child jumping off a swing

• A light bulb turned off

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NGSS.MS-PS3-2

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A skier stands at the top of a snowy hill. When she starts skiing down, what energy transformation takes place?

• Kinetic to potential

• Potential to kinetic

• Sound to thermal

• Electrical to chemical

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NGSS.MS-PS3-2

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Which of the following best explains why a stretched bow has potential energy?

• Because it is moving fast

• Because it is at a high temperature

• Because it can release stored energy when released

• Because it is making a sound

Which is the best definition for speed?

• The measure of the height of an object above the ground.

• The distance something travels in a certain amount of time.

• The length something travels.

• The height of an object compared to its mass.

Tags

NGSS.MS-PS3-1