The Carbon Cycle

Which of the following is correct?

• There is as much carbon on earth as when it was formed

• Carbon is being created whenever it is recycled

• Carbon is lost every time it is recycled

• Carbon changes to different forms and is never recovered

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NGSS.MS-ESS2-1

What are two (2) ways to reduce the carbon emissions from passenger cars?

• Use less expensive gas

• Carpooling

• Public Transportation

• Driving only passenger cars

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NGSS.MS-ESS3-3

What organisms form fossils?

• plants and animals

• CaCO2

• sedimentary rocks

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NGSS.MS-LS4-1

Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

• The carbon cycle

• The water cycle

• The nitrogen cycle

• The phosphorous cycle

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-ESS2-1

How does the human body return carbon to the atmosphere in the carbon cycle?

• Waste products

• Photosynthesis

• Cellular respiration

• Formation of glucose

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

• burning . . . photosynthesis

• fixation . . . decomposition

• decomposition . . . photosynthesis

• respiration . . . decomposition

• respiration . . . photosynthesis

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NGSS.MS-LS2-3

Which of the following is an example of human impact on the carbon cycle? Select ALL that apply!

• Watering your lawn

• The burning of fossil fuels

• The cutting down of trees for lumber

• Driving automobiles

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-3

Where does all the carbon in organisms (living things) originate from?

• Earth's atmosphere

• Rocks

• Water

• Soil

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

By what method is the majority of carbon moved from the lithosphere (upper part of Earth's crust) to the atmosphere?

• Weathering

• Deposition

• The burning of fossil fuels

• Respiration

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NGSS.MS-ESS2-1

NGSS.MS-ESS3-4

Which of the following are some of the major carbon stores (SINKS) on Earth? Select ALL that apply!

• The ocean

• The lithosphere (upper part of Earth's crust)

• The atmosphere