Carbon Cycle Vocabulary

The carbon cycle is...

• plants use the sun's energy to convert water and carbon dioxide into sugars.

• the movement of carbon from the nonliving environment into living things and back.

• all of the water in Earth's atmosphere.

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____________ is an element found in all living things.

• Carbon

• Blood

• Aluminum

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What is CO₂?

• a compound made from carbon and water

• a compound made from sunlight and oxygen

• a compound made from carbon and oxygen

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NGSS.MS-PS1-1

A __________________ _________ is a gas that contributes to the greenhouse effect by trapping solar radiation

• greenhouse gas

• carbon dioxide

• photosynthesis

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NGSS.MS-ESS3-5

Photosynthesis is...

• when plants use the sun's energy to convert water and carbon dioxide into sugars.

• when factories and buildings burn fossil fuels and release greenhouse gases into the atmosphere.

• when humans and animals breathe in oxygen and breathe out carbon dioxide.

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Humans and animals take in oxygen and give off carbon dioxide.

• greenhouse effect

• respiration

• photosynthesis

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What is decomposition?

• the movement of carbon from the nonliving environment into living things and back

• a compound made from carbon and oxygen

• a chemical reaction that breaks down dead plants and animals

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What are fossil fuels

• Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.

• a chemical reaction that breaks down dead plants and animals

• the release of harmful materials into the environment

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A natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases

• greenhouse effect

• carbon dioxide

• carbon cycle

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A forest, ocean, or other natural environment that takes more carbon out of the atmosphere than they add to it.

• photosynthesis

• carbon sink

• fossil fuels

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