Exploring Energy and Motion

Which of the following objects has the most energy if all are moving at different speeds?

• A ball rolling slowly

• A ball rolling quickly

• A ball at rest

• A ball moving at medium speed

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If you push a toy car and it moves faster, what happens to its energy?

• The energy decreases

• The energy stays the same

• The energy increases

• The energy disappears

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Which statement best explains the relationship between speed and energy?

• The slower an object moves, the more energy it has

• The faster an object moves, the more energy it has

• Speed and energy are not related

• Only objects at rest have energy

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NGSS.MS-PS3-1

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When you hear music from a speaker across the room, which type of energy transfer is happening?

• Energy is transferred by sound

• Energy is transferred by light

• Energy is transferred by heat

• Energy is transferred by magnets

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If you touch a metal spoon that has been sitting in a hot pot, why does the spoon feel hot?

• Energy is transferred by sound

• Energy is transferred by heat

• Energy is transferred by light

• Energy is transferred by electricity

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Which of the following is an example of energy being transferred by electric currents?

• A flashlight turning on

• A ball rolling down a hill

• A drum making noise

• A window letting in sunlight

What happens to the energy when two marbles collide?

• The energy disappears

• The energy is transferred between the marbles

• The energy turns into water

• The energy stays in one marble

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NGSS.MS-PS3-1

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If a fast-moving ball hits a slow-moving ball, what can you predict will happen to the slow-moving ball?

• It will stop moving

• It will move faster

• It will disappear

• It will turn into a different object

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When two objects collide and one stops while the other moves away faster, what does this show about energy?

• Energy is created

• Energy is transferred from one object to another

• Energy is destroyed

• Energy is not involved

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which device changes electrical energy into light energy?

• A fan

• A light bulb

• A bicycle

• A book