z1.02 Carbon Source or Sink? MOD 25-26

Last updated about 2 hours ago

14 questions

Note from the author:

Instructions

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z1.02 Carbon Source or Sink? MOD 25-26

Last updated about 2 hours ago

14 questions

Note from the author:

Instructions

The carbon cycle is the movement of carbon through various reservoirs.

Carbon sources release carbon into the atmosphere.

Carbon sinks remove carbon from the atmosphere.

Consider the following items and identify them as a carbon sink or source.

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Plants: __________
Plants absorb carbon from the atmosphere through photosynthesis.

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Animals: __________
Animals release carbon into the atmosphere through respiration

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Ice sheets: __________
Ice sheets release carbon that was capture in the ice as bubbles.

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Algae: __________
Algae take in carbon from the atmosphere through photosynthesis.

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Forest fires: __________
Burning forests release carbon into the atmosphere

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Cars: __________
Most cars burn fossil fuels which release carbon into the atmosphere.

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Soil: __________
When plants die and decompose, much of their carbon is stored in the soil

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Fossil fuels: __________
Fossil fuels store carbon that was removed from the atmosphere by plants.

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Volcanoes: __________
Volcanic eruptions release carbon into the atmosphere.

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Deforestation: __________
Cutting down trees reduces the amount of carbon that can be removed from the atmosphere.

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Oceans: __________
Carbon dioxide dissolves easily into water

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Sedimentary rocks: __________
Sedimentary rocks suh as limestone and dolomite contain calcium carbonate (a form of carbon).

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For thousands of years, the balance between sources and sinks kept the Earth at a temperature that was ideal for living things.

If there are more carbon sources than carbon sinks, there will be __________ carbon in the atmosphere.

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z1.02 Carbon Source or Sink? MOD 25-26

z1.02 Carbon Source or Sink? MOD 25-26

List 2 things humans could do to reduce the amount of carbon they produce.

List 2 things humans could do to reduce the amount of carbon they produce.