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Carbon Forms - PowerPoint PPT Presentation


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Carbon Forms. Carbon Monoxide – CO: poisonous Carbon Dioxide – CO ₂ : greenhouse gas, poisonous at high concentrations. Carbon Sources. 1. Fossil Fuels Ex: Coal, oil, gasoline, natural gas, propane. Carbon Sources. 2. Graphite Highest grade of coal Conducts electricity

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Presentation Transcript
carbon forms
Carbon Forms
  • Carbon Monoxide – CO: poisonous
  • Carbon Dioxide – CO₂: greenhouse gas, poisonous at high concentrations
carbon sources
Carbon Sources

1. Fossil Fuels

  • Ex: Coal, oil, gasoline, natural gas, propane
carbon sources1
Carbon Sources

2. Graphite

  • Highest grade of coal
  • Conducts electricity
  • Used in pencils (lead)

3. Diamonds

  • Formed from coal that is under high pressure and heat

4. Wood

carbon reservoirs
Carbon Reservoirs
  • Atmosphere
  • Plants
  • Animals
  • Fossil Fuels
  • Rock
  • Soil
  • Wood
  • Ocean: called a carbon sink because it takes up excess CO₂ from the atmosphere
carbon dioxide co 2
Carbon Dioxide CO2
  • 0.04% of the Atmosphere
  • Greenhouse gas
  • Byproduct of respiration
  • Needed for photosynthesis
  • Emitted as fossil fuels are burned
  • Harmful at high concentrations
  • Solid form is dry ice
why do we care
Why do we care?
  • CO₂ concentrations fluctuate over time
    • Levels are higher than they were 1000 years ago
how does carbon get released into the atmosphere
How does carbon get released into the atmosphere?
  • Animal Respiration
  • Burning fossil fuels
    • Turning on lights, driving cars,
    • Factories, burning coal
  • Volcanoes
  • Earthquakes
  • Forest fires
  • Oceans
how does carbon get taken out of the atmosphere
How does carbon get taken out of the atmosphere?
  • Photosynthesis
  • Oceans: carbon sink
  • Decaying organisms
carbon movies

Carbon movies

http://www.npr.org/news/specials/climate/video/