Fresh and Salt Water Systems Review1

4.What % of earth's water is fresh water ?

• 5%

• 3%

• 70%

• 1%

6.What % of earth's water is in the ocean?

• 70%

• 85%

• 90%

• 97%

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NGSS.MS-ESS2-4

The majority of FRESH LIQUID water on Earth is found

• In rivers
• In Lakes
• Underground
• Wetlands

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NGSS.MS-ESS2-4

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Why is fresh water a limited resource?

• It isn't because it is a renewable resource

• 97% of water is in the oceans and too salty to drink.

• Only 2.5% is drinkable and is stored in icecaps, rivers, and lakes.

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NGSS.MS-ESS3-1

Which of the following is a true statement about surface water?

• It makes up less than 1 percent of all water on Earth.

• Sluggish waters make natural lakes poor water sources.

• Drought conditions reduce the amount of surface water worldwide.

• All large cities use surface water as a water source.

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NGSS.MS-ESS3-1

Most large cities get water for households and industries from:

• deep wells.

• pumps connected to springs.

• rivers and lakes.

• removing salt from sea water.

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NGSS.MS-ESS3-1

What is an inexpensive solution to providing everyone with more fresh water to use?

• desalination

• water conservation

• drilling more wells into aquifers

• building more dams

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NGSS.MS-ESS3-4

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An underground layer of rock or sediment that holds water

• watershed
• groundwater
• permeability
• aquifer

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NGSS.MS-ESS3-1

2/3 of freshwater on Earth is "locked away" in what water source location?

• atmosphere
• rivers and lakes
• underground
• ice and glaciers

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

____________ is the water that collects in spaces and soil UNDERGROUND.

• Soil water
• Groundwater
• under pools
• ice caps

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