The Hydrosphere ESS8.2

Which explains how local water availability would most likely increase?

• from increased evaporation

• from increased precipitation

• from increased transpiration

• from increased condensation

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which human activity in North Carolina would have the most impact on the local river basins’ turbidity levels?

• car exhaust

• agriculture practices

• hydroelectric wastes

• nuclear energy wastes

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NGSS.MS-ESS3-3

Why can the majority of the mineral nutrients be found underneath the ocean floor?

• Hydrothermal vents release minerals deep into the ocean floor.

• Deep water plants deposit minerals into the ocean floor through their roots.

• Organic debris and minerals sink to the ocean floor and get covered in sediment creating rich deposits.

• Photosynthetic organisms leave behind minerals that accumulate and form deposits in the ocean floor’s layers.

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NGSS.MS-ESS3-1

Which best explains how the hydrosphere is impacted by glacial periods (an ice age)?

• The amount of water trapped in living things remains fixed.

• Water vapor adds to the hydrosphere because of the increased snowfall.

• The availability of fresh water decreases as more water is frozen at the poles.

• The amount of salt water decreases as ocean water is replenished by water frozen in rivers.

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NGSS.MS-ESS2-4

Which would most likely explain the scarcity of freshwater for drinking even though the majority of the Earth is covered with water?

• The majority of freshwater is groundwater too deep for use.

• The majority of freshwater is frozen in polar ice caps.

• The majority of freshwater is used for irrigation.

• The majority of freshwater is used for livestock.

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NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

The diagram below shows various well locations around a house. Which well is most likely to provide a reliable source of water during periods of varying precipitation?

• E

• F

• G

• H

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NGSS.MS-ESS3-1

Which best describes the water found in an estuary?

• The water is shallow, warmer than ocean water, and brackish.

• The water is shallow, colder than ocean water, and brackish.

• The water is deep, warmer than ocean water, and brackish.

• The water is deep, colder than ocean water, and brackish.

Why does the surface zone of the ocean contain large amounts of oxygen?

• Upwelling transfers oxygen off the ocean floor to the surface zone.

• Oxygen slowly seeps out of the ocean floor and accumulates at the surface.

• Less dense oxygen-rich freshwater settles on top of denser salty ocean water.

• Higher amounts of sunlight at the ocean surface allow photosynthesis to occur.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which explains the movement of surface water in North Carolina?

• Water flows east from the ocean uphill toward the mountains.

• Water flows east from the mountains downhill toward the ocean.

• Water flows south from the Virginia border uphill toward the South Carolina border.

• Water flows north from the South Carolina border downhill toward the Virginia border.

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NGSS.MS-ESS2-4

Why are estuaries considered environmental filters?

• The plants and animals filter pollutants out of the water.

• The salt water destroys the bacteria in the water.

• Large marine mammals consume the impurities.

• High winds trap atmospheric pollutants.

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NGSS.MS-LS2-5