Science 8 Unit E Fresh and Saltwater Systems

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

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

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

Tags

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

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Why is most of Earth's water not available to drink?

• It is contaminated.

• It is in the polar ice caps.

• It is underground.

• It has a high level of salinity.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

The gravitational pull that the moon exerts on Earth is

• greater on solids than liquids

• the main cause of high and low tides

• responsible for longshore currents

• responsible for tsunamis

Tags

NGSS.MS-ESS1-1

Which tide occurs at 1 and 3?

• low tide

• high tide

• long tide

• neap tide

Tags

NGSS.MS-ESS1-1