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THE CARBON CYCLE Ms. Scillieri 6th Grade

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An element The basis of life of earth Found in rocks, oceans, atmosphere The same carbon atoms are used repeatedly on earth. They cycle between the earth and the ... – PowerPoint PPT presentation

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Title: THE CARBON CYCLE Ms. Scillieri 6th Grade


1
THE CARBON CYCLEMs. Scillieri6th Grade
2
What Is Carbon?
  • An element
  • The basis of life of earth
  • Found in rocks, oceans, atmosphere

3
Carbon Cycle
  • The same carbon atoms are used repeatedly on
    earth. They cycle between the earth and the
    atmosphere.

4
Plants Use Carbon Dioxide
  • Plants pull carbon dioxide from the atmosphere
    and use it to make food photosynthesis.
  • The carbon becomes part of the plant (stored
    food).

5
Animals Eat Plants
  • When organisms eat plants, they take in the
    carbon and some of it becomes part of their own
    bodies.

6
Plants and Animal Die
  • When plants and animals die, most of their bodies
    are decomposed and carbon atoms are returned to
    the atmosphere.
  • Some are not decomposed fully and end up in
    deposits underground (oil, coal, etc.).

7
Carbon Slowly Returns to Atmosphere
  • Carbon in rocks and underground deposits is
    released very slowly into the atmosphere.
  • This process takes many years.

8
Cycle Repeats Over and Over and Over and Over
9
Carbon Cycle Diagram
10
Carbon in Oceans
  • Additional carbon is stored in the ocean.
  • Many animals pull carbon from water to use in
    shells, etc.
  • Animals die and carbon substances are deposited
    at the bottom of the ocean.
  • Oceans contain earths largest store of carbon.

11
The Carbon Cycle
12
Human Impact
  • Fossil fuels release carbon stores very slowly
  • Burning anything releases more carbon into
    atmosphere especially fossil fuels
  • Increased carbon dioxide in atmosphere increases
    global warming
  • Fewer plants mean less CO2 removed from
    atmosphere

13
What We Need to Do
  • Burn less, especially fossil fuels
  • Promote plant life, especially trees

14
Exit Slip- The Carbon CycleCircle of Life Use
the lecture notes and YouTube clips to complete
ticket
Name
  • .
  • How are humans involved in the carbon cycle?
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