Science Unit 5 Review: Energy and Motion in Collision

Maggie and Cooper are rolling golf balls down a ramp. As the balls roll down the ramp, what do the balls gain?

• mass

• speed

• shape

• height

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NGSS.MS-PS3-1

Which term describes the ability to make things change or move?

• energy

• friction

• gravity

• inertia

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

A student pulls the string on a bow to different distances and shoots an arrow. The student records the time the arrow takes to hit a target. What is the relationship between the speed of the arrow and its energy?

• The arrow moves fastest and has the most energy when the string stretches to 9 cm.

• The arrow moves slowest and has the most energy when the string stretches to 5 cm.

• The arrow moves slowest and has the least energy when the string stretches to 9 cm.

• The arrow moves fastest and has the least energy when the string stretches to 5 cm.

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NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A student pushes ball X down a ramp at different speeds. In which setup will ball X hit ball Y with the most energy?

• A

• B

• C

• D

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

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Dolores wanted to know what would happen if a moving object were to hit a non-moving object. She made a track using a ruler. Dolores rolled Marble A down the track. Marble A hit Marble B and stopped rolling. Marble B then started rolling. Which statement best explains what happened to Marble B?

• Magnetism attracted Marble A to Marble B.

• Gravity acted on Marble B, causing it to roll.

• Energy from Marble A was transferred to Marble B.

• Friction working against Marble A caused it to stop moving.

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NGSS.MS-PS2-1

NGSS.MS-PS3-5

Based on the results, what should the students conclude?

• A) Balls move easily when their mass is higher.

• B) Balls move farther when the wind speed is lower.

• C) Balls move farther when their mass is lower.

• D) Balls move quickly when their size is larger.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A large boat is moving in the water. The boat bumps into a small piece of floating wood. What happens to the motions of boat and the wood?

• The motions of the boat and the wood do not change.

• There is a small change to the motion of the boat and no change to the motion of the wood.

• There is a large change to the motion of the boat and a large change to the motion of the wood.

• There is a small change to the motion of the boat and a large change to the motion of the wood.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Toni claps her hands together. Her hands have energy of motion as they move toward each other. What happens to this energy after she claps her hands?

• The energy is destroyed when her hands stop moving.

• The energy is all used up, so her hands stop moving.

• The energy is changed into heat and sound.

• The energy is stored in Toni’s muscles and bones.

Tags

NGSS.MS-PS3-5

What will most likely happen to Marble A at the bottom of Jackie's track in Figure 2 when the moving marble hits it?

• It will stay in place.

• It will stop the other marble.

• It will break into small pieces.

• It will move away from the track.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Kira should make her track ________________ if she wants to give the marble more energy as it rolls down.

• longer

• rougher

• taller

• wider

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NGSS.MS-PS3-1

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