Unit 3 Part 1 Review

Less than 1 percent of Earth's freshwater is readily available for human and animal use. Where is the majority of the remaining freshwater located?

• In glaciers and ice caps

• In rivers and lakes

• In underground aquifers

• In the atmosphere

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NGSS.MS-ESS2-4

How are glaciers and oceans similar and different?

• Glaciers are freshwater and oceans are salt water. Both are difficult for human use

• Glaciers are found in polar regions, while oceans are found worldwide.

• Both glaciers and oceans are important for the Earth's climate, but glaciers are freshwater and oceans are saltwater.

• Glaciers move slowly over land, while oceans are stationary.

What are the percentages of water distributed on earth?

• 100% saltwater covers Earth's surface.

• 97% saltwater and 3% freshwater.

• 90% of the Earth's surface is covered by freshwater.

• 30% of the Earth's surface is covered by water.

Why is it important to clean, conserve, and protect water?

• water is a limited resource

• To increase water pollution

• To deplete natural resources

• To raise water prices

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

The hydrosphere is connected to the biosphere through processes such as:

• Water cycle and resources for living things

• Photosynthesis and respiration

• Erosion and sedimentation

• Volcanic activity and tectonic movements

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Some ways humans pollute the hydrosphere are:

• burning fossil fuels

• Planting trees

• Recycling plastics

• Using public transport

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NGSS.MS-ESS3-3

Which is an example of a process that can slowly change the surface of Earth?

• Erosion

• Photosynthesis

• Cell Division

• Evaporation

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NGSS.MS-ESS2-2

The hydrosphere interacts with the other spheres by:

• providing water for the biosphere, affecting weather patterns in the atmosphere, and shaping the geosphere through erosion

• only existing independently without any interaction

• being a part of the atmosphere only

• having no effect on the biosphere

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Erosion and deposition shape the land by:

• moving an dropping sediment creating mountains and valleys

• only eroding the land

• only depositing sediments

• having no effect on the land

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Only about _______ percent of Earth's water is freshwater.

• 3%

• 97%

• 2%

• 30%

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NGSS.MS-ESS2-4