Energy & Electricity - Grade 4

The scientific definition of energy is the ability to

• A. change states of matter.

• B. change shape.

• C. cause a change in health.

• D. cause motion or change.

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When an object moves slower, its energy of motion

• A. is zero.

• B. increases.

• C. decreases.

• D. remains constant.

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NGSS.MS-PS3-1

While playing outside in the snow, Mario pushes Kaylana down a steep sledding hill. Which of the following BEST explains when the sled gains the most energy of motion?

• A. when Kayla gets on the sled

• B. when Kayla gets off the sled

• C. when Mario pushes the sled with his hand

• D. when the sled stops at the bottom of the hill

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NGSS.MS-PS3-5

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Imagine a rock is dropped from a height. In a diagram showing its fall, position 1 is when the rock is held at the top, and position 4 is when it hits the ground. In which position does the rock have only stored energy?

• A. 1

• B. 2

• C. 3

• D. 4

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NGSS.MS-PS3-2

Asad and Sebastian decide to go explore a mountain stream. When they get there, Sebastian drops a rock into the stream and water splashes up. Which answer BEST explains why the water splashes up?

• A. Deep water has more energy.

• B. Cold water has more energy.

• C. Some of the energy from the water is transferred to the rock.

• D. Some of the energy from the rock is transferred to the water.

Tags

NGSS.MS-PS3-5

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When you throw a rock, you are ________ energy.

• A. creating

• B. destroying

• C. storing

• D. transferring

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NGSS.MS-PS3-5

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Stored energy is also known as

• A. potential energy

• B. kinetic energy

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NGSS.MS-PS3-2

Some of the energy transferred during a collision can produce _________.

• A. heat

• B. light

• C. sound

• D. All of the above.

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NGSS.MS-PS3-5

Jonah is about to kick a football. Which of the following BEST explains how Jonah can tell that energy transfers from his foot to the ball during the collision?

• A. The ball does not move.

• B. The speed of the ball changes.

• C. The weight of the ball changes.

• D. The weight and speed of the ball change.

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NGSS.MS-PS3-5

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All sound starts with

• A. a source of heat.

• B. a vibration.

• C. a collision.

• D. a moving object.

Tags

NGSS.MS-PS4-1