Carbon Dioxide Oxygen Cycle

Why is the Carbon Cycle important?

• Carbon is a part of all living things.
• Carbon prevents pollution.
• Carbon keeps the atmosphere clean.
• Carbon is not important for life on earth.

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What is the first step of the Carbon Cycle?

• Carbon Dioxide is absorbed by producers to make carbohydrates in photosynthesis.
• Animals feed on the plant passing the carbon compounds along the food chain.
• Carbon enters the atmosphere as carbon dioxide from respiration and combustion.
  
• The plant and animal material may then be available as fossil fuel in the future for combustion.

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NGSS.MS-LS1-6

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True or False:
The carbon cycle is very important to all ecosystems, and ultimately life on earth.

• True
• False

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True or False:
Burning Fossil Fuels has no effect on the Carbon Cycle.

• True
• False

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What is the Second Step of the Carbon Cycle?

• Animals feed on the plant passing the carbon compounds along the food chain.
• Carbon dioxide is absorbed by producers to make carbohydrates in photosynthesis.
  
• Carbon enters the atmosphere as carbon dioxide from respiration and combustion.
• The dead organisms are eaten by decomposers and the carbon in their bodies is returned to the atmosphere as carbon dioxide.

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NGSS.MS-LS2-3

True or False:
Plants produce excess Oxygen during photosynthesis which is released into the atmosphere.

• True
• False

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NGSS.MS-LS1-6

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What is the second step of the Oxygen Cycle?

• Animals breathe in this oxygen in a process known as respiration.
• Oxygen contained within rock is also eventually released into the atmosphere when erosion occurs.
• Oxygen is also consumed during the burning of fossil fuel or biomass.
• Plants produce excess Oxygen thats is released into the air during Photosynthesis.

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NGSS.MS-LS1-6

True or False:
Oxygen is not consumed during the burning of Fossil Fuels?

• True
• False

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NGSS.MS-PS1-2

Where does most available Oxygen come from?

• The Earth
• Atmosphere
• Bodies of Water
• Plants

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What plant is responsible for 90% of Oxygen ouput?

• Algae
• Floral Plants
• Weeds
• Trees

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