Watersheds and Water Quality

What happens when a fertilizer runoff happens that carries excess nitrogen?

• fish grow bigger

• it make the water more healthy and clean

• algae grow rapidly and results in low oxygen levels

• plants grow more

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If a homeowner dumps paint into the yard, the paint will ________________________.

• stay on the surface and cause no problems

• sink into the ground a cause no problems

• contaminate groundwater and surface water

• contaminate the air when it evaporates

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Most of the water in Virginia's watershed drains into

• the Chesapeake Bay

• The Gulf of Mexico

• The Mississippi River

• The North Carolina Sound

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Of Virginia's watershed zones, which is the largest?

• Roanoke

• Chowan

• James

• York

Which reason best states why wetlands are important

• They move water to higher ground during flooding

• The are estuaries

• They filter pollutants of water

• They provide minerals

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Which of the following will have the greatest positive impact on the water quality of a stream?

• Releasing warm water into the stream

• Increasing use of chemicals near the stream

• Reducing the use of fertilizers near the stream

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Which of the following would be the most likely effect of massive tree removal to an estuary like the Chesapeake Bay?

• The amounts of nutrients and runoff in the water would increase

• Grass populations would increase.

• The sediments and nutrients would decrease

• Erosion would decrease.

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Fertilizer can seep through the ground to reach groundwater, what effect can it have?

• Fertilizer can cause groundwater to reverse flow

• Fertilizer can cause groundwater to freeze

• Fertilizer can cause groundwater to become undrinkable

• It will seep into the school

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

When water flows across the surface of the earth it is called?

• Watershed

• River

• Run Off

• Rain

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Area of land where surface water and groundwater drains into a river system.

• Runoff

• Tributary

• Wetland

• Watershed

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