Science Vocabulary Review

A force is a ​ ​ (a)   or pull that can start, stop, or change the direction of an object's motion. 

• push
• pull
• force

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NGSS.3-PS2-1

All motion begins with a ​ ​ (a)  

• force
• stop
• direction

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Force is needed to change the direction of an object's motion.

• True

• False

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NGSS.HS-PS2-1

A push or a pull that can change the way something moves is ​ (a)  

• force
• friction
• gravity

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​ (a)    is a force that slows down moving things.​

• Friction
• Motion
• Position

​ (a)   describes how fast something moves.

• Speed
• Force
• Attract

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NGSS.MS-PS3-1

An object at rest tends to stay at rest and an object in motion tends to stay in motion is the definition of

• inertia

• speed

• friction

• force

Momentum is the strength or force something has when it is moving.

• True

• False

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NGSS.HS-PS2-2

​ (a)   is an invisible force that causes things to fall towards​ (b)  

• gravity
• the earth
• momentum
• the moon

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A community of interacting organisms and their environment. Living things interact with each other, and also with non-living things like soil, water and air.

• City

• Rainforest

• Ecosystem

• Living Things

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