Nutrient Cycles

What happens when water evaporates?

• It changes from a gas to a solid.

• It changes from a solid to a liquid.

• It doesn't change, it just moves from one environment to another.

• It changes from a liquid to a gas.

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What happens when there is more water than the air can hold?

• The water turns into vapor and rises up.

• The water falls to the ground as precipitation.

• The water evaporates and turns into clouds.

Tags

NGSS.MS-ESS2-4

Where can you find most of the earth's freshwater?

• Locked up in glaciers

• In the clouds

• In the groundwater

• In lakes and rivers

Tags

NGSS.MS-ESS2-4

Which of the following consumes Carbon?

• Plants

• Animals

• Decomposers

• All of the above

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Photosynthesizing plants affect the carbon cycle by...

• Creating more carbon atoms

• Reducing the amount of carbon in the soil

• Absorbing CO2 from the atmosphere, lowering atmospheric levels of carbon

• None of the above; plants do not affect the carbon cycle

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The burning of fossil fuels contributes to the carbon cycle in what way?

• Increases the amount of CO2 in the atmosphere

• Increases the amount of O2 in the atmosphere

• Decreases the amount of CO2 in the atmosphere

• Decreases the amount of O2 in the atmosphere

Tags

NGSS.MS-ESS3-4

Decomposers contribute to the carbon cycle in what way?

• They turn oxygen into CO2.

• They take carbon from living organisms and return it to the atmosphere as carbon dioxide.

• They turn CO2 into organic, living carbon molecules.

• They create organic carbon and keep it stored in the earth forever.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Choose the answer that best describes what this graph is showing.

• Atmospheric carbon dioxide levels have been steadily decreasing since 1960.

• Atmospheric carbon dioxide levels do not show a change over time.

• Atmospheric carbon dioxide levels were at their lowest levels in 1980.

• Atmospheric carbon dioxide levels have been steadily increasing since 1960.

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

NGSS.HS-ESS3-6

Climate change is due primarily to what?

• Increase in O2 and CO2 in our atmosphere.

• Increase in ocean water temperatures.

• Increase CO2 in the atmosphere.

• Increase in nitrogen and phosphorous in our lakes and estuaries.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Eutrophication is caused by what?

• Increase in CO2 in the atmosphere.

• Increase of nitrogen and phosphorous in lakes and estuaries.

• Driving our cars and using too many electronics.

• Increasing air and water temperatures on earth.