Carbon Cycle Quiz

What is the carbon cycle?

• The carbon cycle is the process by which nitrogen is exchanged between the atmosphere, land, oceans, and living organisms.

• The carbon cycle is the process by which oxygen is exchanged between the atmosphere, land, oceans, and living organisms.

• The carbon cycle is the process by which water is exchanged between the atmosphere, land, oceans, and living organisms.

• The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, oceans, and living organisms.

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Name the four main processes involved in the carbon cycle.

• evaporation, condensation, precipitation, transpiration

• fossilization, sedimentation, metamorphism, weathering

• nitrification, denitrification, ammonification, nitrogen fixation

• photosynthesis, respiration, decomposition, and combustion

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NGSS.MS-LS1-6

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Which process releases carbon dioxide into the atmosphere?

• photosynthesis

• combustion

• respiration

• evaporation

What is the primary source of carbon dioxide in the atmosphere?

• Volcanic activity

• Deforestation

• Industrial emissions

• Burning of fossil fuels

What is the role of plants in the carbon cycle?

• Plants do not play a role in the carbon cycle.

• Plants absorb carbon dioxide and release oxygen during photosynthesis.

• Plants release carbon dioxide and absorb oxygen during photosynthesis.

• Plants release carbon dioxide and nitrogen during photosynthesis.

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NGSS.MS-LS1-6

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How does carbon dioxide enter the oceans?

• Photosynthesis, precipitation, tectonic activity, and erosion.

• Evaporation, weathering, human activities, and sedimentation.

• Condensation, transpiration, seismic activity, and erosion.

• Gas exchange, runoff, volcanic activity, and decomposition of organic matter

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NGSS.MS-LS2-3

What is the significance of the carbon cycle for climate change?

• The carbon cycle has no impact on climate change.

• The carbon cycle regulates the amount of carbon dioxide in the atmosphere and helps to maintain a stable climate.

• The carbon cycle only affects local climates, not global climate change.

• The carbon cycle increases the amount of carbon dioxide in the atmosphere, leading to more extreme weather events.

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How do human activities impact the carbon cycle?

• Human activities release carbon dioxide into the atmosphere, contributing to global warming and climate change.

• Human activities have no impact on the carbon cycle.

• Human activities decrease the amount of carbon dioxide in the atmosphere.

• Human activities only impact the carbon cycle in a positive way.

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What does photosynthesis help to produce?

• Fossil Fuels

• Oxygen, Glucose, and Energy for later use.

• Carbon Dioxide

• Carbon

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How is carbon released from decaying organisms?

• Fossil fuels eat up the dead organism

• Plants eat up the decaying material and the photosynthesis process occurs.

• Bacteria decomposes the organism and releases carbon.

• They combust and then release carbon into the atmosphere

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NGSS.MS-LS2-3