Unit 1 - Lessons 1, 2, and 3 Test Review

A force is

• A type of food

• A push or pull

• A kind of energy

• A speed

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NGSS.HS-PS2-1

The faster something moves in a certain amount of time, the higher its

• Gravity

• Speed

• Friction

• Surface Area

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NGSS.MS-PS3-1

When two objects bump into each other, it is called a:

• Collision

• Friction

• Energy transfer

• Gravity pull

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NGSS.MS-PS2-1

Which force pulls us down toward Earth?

• Friction

• Acceleration

• Gravity

• Energy

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NGSS.5-PS2-1

What does friction do?

• Makes objects heavier

• Speeds things up

• Slows things down

• Pulls things upwards

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NGSS.3-PS2-1

Which of these is an example of acceleration?

• A car parked in the driveway

• A bike slowing down at a stop sign

• A rock sitting on the ground

• A ball at rest on a hill

Newton's Cradle is a tool that MAINLY shows ___________

• Gravity pulling objects dowb

• Energy transfer through motion

• How friction slows objects

• How surface area changes speed

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

True or False: The Law of Conservation of Energy says that energy cannot be created or destroyed, only changed.

• True
• False

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NGSS.MS-PS3-5

True or False: A bigger mass usually means an object has more momentum when moving.

• True

• False

True or False: Newton's Cradle shows how energy moves from one ball to another.

• True

• False

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NGSS.MS-PS3-1

NGSS.MS-PS3-5