Carbon Cycle

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

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NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

Which of the following add carbon dioxide to the atmosphere?

• volcanoes
• combustion of fossil fuels
• animal and plant respiration
• all of these

Tags

NGSS.MS-ESS3-4

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

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NGSS.MS-ESS3-1

NGSS.MS-LS4-1

With the help of the Sun, through the process of photosynthesis, carbon dioxide is pulled from the air to make plant________

• leaves

• food

• roots

• nutrients

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Through food chains, the carbon that is in plants moves to the animals that eat them. When an animal eats another animal, carbon is ___________________.

• released

• transferred

• dissolved

• gone

Tags

NGSS.MS-LS2-3

Which process contributes carbon dioxide to the atmosphere?

• respiration

• photosynthesis

• tree farms

What is the greatest contributor to atmospheric carbon?

• burning garbage

• burning biomass

• transportation

• household usage

Tags

NGSS.HS-ESS2-6

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Tags

NGSS.MS-ESS3-1

NGSS.MS-LS4-1

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3