Earth's Water System

Where does the water go when water evaporates from a puddle on the street?

• It goes into a nearby river or stream.

• It sinks into the street.

• It rises into the atmosphere.

• It goes into outer space.

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NGSS.MS-ESS2-4

About 97 percent of all water on Earth is in the form of

• salt water

• freshwater

• ice caps

• snow

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NGSS.MS-ESS2-4

Which best explains why it is important for humans to conserve freshwater?

• Earth's water supply is shrinking.

• Earth's water supply is growing larger.

• Once we use all of Earth's freshwater, it is gone forever.

• Only a small fraction of Earth's water is freshwater, and everyone needs it.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

Which are sources of freshwater. Select ALL that apply.

• rivers

• oceans

• aquifers

• reservoirs

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

How is building a dam one way to store water?

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NGSS.MS-ESS2-4

What kind of water can harm living things?

• Polluted

• clean

• fresh

• glaciers

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

All water on Earth is recycled through......

• the water cycle

• pockets of nitrogen

• exhaled gas

• dead organic material

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NGSS.MS-ESS2-4

The shape of different landforms is often changed by water.

• flowing

• standing

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NGSS.MS-ESS2-2

List two ways to conserve water. Explain why it is helpful for the environment.

Which of the following can happen when water interacts with rock formations? Select ALL that apply.

• climate changes

• a canyon forms

• sediment forms

• rain falls

• high tide occurs

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4