Exit Ticket: The Carbon Cycle and Earth Systems

What happens to carbon in the Air (Atmosphere) system?

• Plants take in carbon dioxide from the air during photosynthesis, and plants and animals release carbon dioxide back to the air when they breathe.

• Carbon in the air is permanently removed by rainfall and never returns.

• Carbon in the air is only absorbed by rocks and minerals, not by living organisms.

• Carbon in the air is converted directly into oxygen without any biological process.

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What happens to carbon in the Living things (Biosphere) system?

• Plants take in carbon dioxide and store carbon as they grow. Animals get carbon by eating plants (or animals that ate plants).

• Carbon is released into the atmosphere by plants during photosynthesis.

• Animals convert carbon into oxygen through respiration.

• Carbon is only stored in rocks and never cycles through living things.

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What happens to carbon in the Soil/rocks & land (Geosphere) system?

• When organisms die, decomposers break them down and carbon can move into the soil. Carbon can also dissolve into water and move through rivers and oceans.

• Carbon in the geosphere is immediately released into the atmosphere without any interaction with organisms.

• Carbon in the geosphere is only stored in rocks and never moves into soil or water.

• Carbon in the geosphere is converted directly into oxygen by plants.

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Explain how carbon moves from one Earth system to another.

• Plants take in carbon dioxide from the air (atmosphere) during photosynthesis and store it as they grow (biosphere).

• Animals release carbon dioxide into the ocean during respiration.

• Rocks absorb carbon dioxide directly from the biosphere.

• The sun transfers carbon from the atmosphere to the geosphere.

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What is the carbon cycle?

• A loop of carbon moving through Earth systems

• A kind of weather

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What do plants take in during photosynthesis?

• Sand

• Carbon dioxide

• Salt

• Smoke

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What do plants do with carbon during photosynthesis?

• They store it as they grow

• They turn it into water only

• They remove it from Earth forever

• They turn it into rocks right away

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How do animals get carbon?

• By drinking only water

• By eating plants or other animals

• By sitting in the sun

• By sleeping

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What process releases carbon dioxide when living things breathe?

• Breathing (respiration)

• Erosion

• Freezing

• Melting

What happens when organisms die?

• Carbon can move into the soil as they break down

• Carbon disappears completely

• Carbon turns into light

• Carbon stays only in the air

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