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

Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

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NGSS.HS-LS2-5

Combustion is another word for _______________.

• a train
• a bus
• a dog
• burning

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CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RL.7.4

CCSS.RL.8.4

What does not produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

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NGSS.MS-LS1-6

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

• respiration and photosynthesis
•  decomposition and respiration

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NGSS.HS-LS2-5

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

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NGSS.HS-LS2-5

NGSS.HS-LS1-5

In what process is Carbon transformed into chemical energy?

• Photosynthesis
• Respiration
• Primary Production
• Secondary Production

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NGSS.HS-LS2-5

NGSS.HS-LS1-5

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

• water
• nutrients
• air
• fossil fuels

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NGSS.MS-LS4-1

If the plant population decreased, the amount of carbon would _________.

• Stay the same
• Increase
• Decrease

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NGSS.HS-LS2-5

Energy produced through respiration using oxygen is called _____ respiration

• aerobic
• anaerobic

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NGSS.HS-LS1-7

NGSS.HS-LS2-3