Understanding the Carbon Cycle

Which of the following processes is responsible for removing carbon dioxide from the atmosphere?

• A) Plant respiration

• B) Photosynthesis

• C) Auto and factory emissions

• D) Animal respiration

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NGSS.HS-LS2-5

In the carbon cycle, _______ is the process by which plants take in carbon dioxide and convert it into glucose.

• Animal respiration

• Photosynthesis

• Root respiration

• Mineralization

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the carbon cycle?

• A) A process that describes the movement of water through Earth's systems

• B) A biogeochemical cycle that describes the movement of carbon through Earth's systems

• C) A cycle that involves only the atmosphere

• D) A process that only occurs in the biosphere.

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Carbon is a crucial element for life, found in all ______ compounds.

• inorganic

• organic

• synthetic

• metallic

Which sphere of Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

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NGSS.HS-LS2-5

The _______ is the layer of gases surrounding the planet.

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

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NGSS.HS-ESS3-5

Which of the following processes is responsible for converting carbon dioxide into organic matter in plants?

• Respiration

• Photosynthesis

• Burning fossil fuels

• Decay

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

In the carbon cycle, the process of ______ involves the release of carbon dioxide back into the atmosphere.

• Photosynthesis

• Respiration

• Phytoplankton

• Weathering and run-off

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NGSS.HS-LS2-3

NGSS.HS-LS2-5

What is the process by which plants and some bacteria convert light energy into chemical energy?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

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NGSS.HS-LS1-5

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Fill in the blank: The equation for photosynthesis is 6CO2 + 6H2O + light energy → ______ + 6O2.

• C6H12O6

• C2H5OH

• C12H22O11

• CH4

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NGSS.HS-LS1-5

NGSS.HS-LS2-5