Water and Carbon Cycle

When humans EXHALE, we release ____________________.

• Oxygen

• Nitrogen

• Water

• Carbon Dioxide

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Where can you find carbon?

• Only in the Earth's atmosphere.

• Inside all water molecules.

• Inside the sun.

• Inside every living thing on Earth.

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Carbon moves from fossil fuels to the atmosphere when fuels are burned.

• True

• False

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How do animals add carbon dioxide to the atmosphere?

• Through breathing

• Through photosynthesis

• Through cellular respiration

• Through transpiration

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How do carbon emissions lead to global warming?

• By trapping the sun's heat in the atmosphere

• By causing very hot volcanic eruptions

• By catching fire in the atmosphere

• By increasing the amount of carbon in Earth's crust

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How does carbon get into the ocean?

• Diffusion - Shells and other carbon containing organism dissolve into the water

• Cellular Respiration - animals in the ocean breath out carbon dioxide

• Fossil Fuels - Human's burn fossil fuels and the oil ends up in the ocean

• Rain - Rain water contains carbon that ends up in the ocean

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How do animals get carbon?

• By eating plants and or other animals.

• They absorb it from the atmosphere.

• From the ground

• They do not get carbon from anywhere.

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What are fossil fuels made from?

• Plants and animals that are buried underground for millions of years.

• They absorb it from the atmosphere.

• Water

• Wind

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Combustion is another word for _______________.

• a train
• a bus
• a dog
• burning

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-LS1-7

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