How Is Energy Transferred by Colliding Objects?

What happens when two objects collide?

• Energy is changed into force

• Energy is transferred from one object to another.

• Energy is created and objects move faster.

• Energy is destroyed and objects move slower.

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

• light

• sound

• heat

• all of the above

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What effects the amount of energy transferred in a collision?

• the speed and direction affects a collision

• the speed and the weight affect a collision

• the weight and direction affects a collision

• the direction and heat affects a collision

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When a heavier object collides with a lighter object the lighter object ___

• completely stops.

• moves faster.

• moves slower.

• moves at the same speed.

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Most objects that collide transfer energy to the air as _____

• light.

• weight.

• sound.

• motion.

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Scientists say that energy is conserved because energy

• cannot be transferred between objects

• is created when a still objects starts moving

• cannot be created or destroyed

• can be stored in an object raised to a height

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While playing with toy cars, Kirsten and Luca each push a car toward the center of the room. What happens when the toy cars collide, as shown in the photograph below?

• Energy is lost.

• Energy is gained.

• Energy is unchanged.

• Energy is transferred.

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

• The ball does not move.

• The speed of the ball changes.

• The weight of the ball changes.

• The weight and speed of the ball change.

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As energy moves an object across a surface,

• heat is formed.

• light is formed.

• sound is formed.

• a collision is formed.

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The scientific definition of energy is the ability to

• cause motion or change.

• change states of matter.

• change shape.

• cause a change in health.

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