Lesson 7 Earth's Resources and Human Impact

What are ways in which human activity negatively impacts the earth?

• changing water flow

• desertification

• urbanization

• deforestation

• pollution

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Austin lives in a community that is looking for more ways to reduce the human impact of the environment. Which of the following human activities is most likely to result in the greatest change in the vegetation of a region?

• Recording the diversity of plants

• Changing the course of a river

• Growing crops for food

• Using wind power to make electricity

Which of the following least represents an impact on Earth caused mostly by humans?

• Erosion

• Overfishing

• Deforestation

• Urbanization

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

How do landfills impact groundwater?

• Litter

• Sharp metal and glass get in the soil.

• Liquids leak into the ground.

• Landfills do not impact groundwater.

Gabriella and her family have recently moved onto a plot of land that previously had no human activity. What will most likely be the change to the water in that area?

• Water will be more evenly distributed in the area.

• Most of the freshwater in the area will become salty.

• The amount of available freshwater will increase.

• There will be less water available for other living things.

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NGSS.MS-ESS3-4

In many places on Earth, humans are responsible for the removal of grasses, shrubs, trees, and other plants with roots that hold soil in place. Which of the following is the most direct result of this loss of vegetation?

• Air pollution

• Desertification

• Rise in sea level

• Urbanization

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NGSS.MS-LS2-4

Human activity has the greatest effect on global climate change when it results in which of the following?

• Increased concentrations of carbon dioxide in the atmosphere

• The creation of genetically modified plant and animal species

• A decrease in the number and diversity of species in tropical rain forests

• The gradual rise in sea level that reduces the available land area

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

The process by which cities grow and develop

• Erosion

• Urbanization

• Watershed

• Deforestation

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NGSS.MS-ESS3-4

The movement of sediment from one location to another

• Erosion

• Urbanization

• Watershed

• Deforestation

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NGSS.MS-ESS2-1

The clearing of trees in the area is

• Urbanization

• Desertification

• Deforestaion

• Pollution

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5