Human Impacts on Earth's Systems

Carlos has made a list of nonrenewable natural resources. Which TWO resources do NOT belong on this list?

• oil

• sunlight

• coal

• wind

The graph shows the change in the percentage of forest area on Earth's surface from 1990 to 2014.

Which are the TWO MOST LIKELY reasons for this change?

• The world population has increased.

• The world population has decreased.

• Growing crops has become more efficient.

• More land is needed to grow crops.

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NGSS.MS-ESS3-4

Which is the best explanation for how renewable resources differ from nonrenewable resources?

• Renewable resources are found in nature. Nonrenewable resources are made by humans.

• Nonrenewable resources can be replaced as quickly as people use them. Renewable resources are not made fast enough to replace what is used.

• Renewable resources can be replaced as quickly as people use them. Nonrenewable resources are not made fast enough to replace what is used.

• Nonrenewable resources are found in nature. Renewable resources are made by humans.

The graph shows a breakdown of the world's freshwater resources.

Choose the correct words to complete the sentence.

The world's largest freshwater resource is found in _________________.

• groundwater

• ice and snow

• rivers

• permafrost

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The world's smallest freshwater resource is found in _________.

• rivers

• permafrost

• wetlands

• groundwater

Tags

NGSS.MS-ESS2-4

The picture shows several energy sources. Select the energy source that is renewable.

• electric wires

• solar panels

• sunlight

Read about geothermal energy. Then chose the sentence that identifies how the source of energy is extracted.

• Geothermal energy is a renewable resource.

• Earth's interior is very hot.

• The heat is contained in rocks, steam, water and other matter below Earth's surface.

• This underground heat can be pumped directly to buildings or used to turn turbines that produce electricity.

Tags

NGSS.MS-PS3-4

Which picture shows the best placement of solar panels for collecting the maximum amount of solar energy?

• W

• X

• Y

• Z

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NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Look at the picture. The air quality in this city is hazardous to humans, plants and animals. The Earth system that is directly changed by harmful gases in the air is the _______________.

Tags

NGSS.MS-ESS2-6

The air quality in this city is hazardous to humans, plants, and animals. The Earth system that is directly changed by harmful gases in the air is the atmosphere, but the _______________ is also changed by hazardous air quality.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4