7.11A Human Impact on Water Resources

What is a watershed?

• A large body of saltwater

• An area of land that drains into a particular body of water

• A type of water pollution

• A method of water purification

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Which of the following is a simple procedure to reduce water pollution in a watershed?

• Planting trees along riverbanks

• Building more factories

• Increasing the use of pesticides

• Removing vegetation from riverbanks

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Explain how human activities can negatively impact groundwater quality.

• By increasing the amount of oxygen in the water

• By introducing pollutants such as chemicals and waste

• By reducing the amount of sunlight reaching the water

• By increasing the water temperature

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NGSS.MS-ESS3-4

Which human activity is most likely to benefit surface water in a watershed?

• Dumping industrial waste into rivers

• Implementing sustainable farming practices

• Increasing urban development

• Using more chemical fertilizers

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NGSS.MS-ESS3-4

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Analyze the impact of deforestation on a watershed's surface water.

• It increases the water's oxygen levels

• It reduces the amount of sediment in the water

• It increases the risk of flooding and erosion

• It improves water quality by removing pollutants

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NGSS.MS-LS2-4

What is one way that urban development can harm groundwater in a watershed?

• By increasing the natural filtration of water

• By reducing the amount of impervious surfaces

• By increasing the amount of pollutants entering the water

• By decreasing the amount of water available for human use

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NGSS.MS-ESS3-4

Identify a basic concept related to groundwater in a watershed.

• Groundwater is always safe to drink

• Groundwater is stored in underground aquifers

• Groundwater is only found in deserts

• Groundwater is not affected by human activities

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NGSS.MS-ESS3-1

What is a simple procedure to protect groundwater from contamination?

• Dumping waste in landfills

• Using pesticides near water sources

• Properly disposing of hazardous materials

• Increasing the use of chemical fertilizers

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How does agricultural runoff affect surface water in a watershed?

• It increases water clarity

• It introduces nutrients and pollutants into the water

• It decreases the water temperature

• It reduces the amount of sediment in the water

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NGSS.MS-ESS3-4

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Discuss the role of vegetation in maintaining the health of a watershed.

• Vegetation increases soil erosion

• Vegetation helps filter pollutants and stabilize soil

• Vegetation decreases water infiltration

• Vegetation has no impact on watershed health

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