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Carbon Forms Carbon Monoxide – CO: poisonous Carbon Dioxide – CO₂: greenhouse gas, poisonous at high concentrations

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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 - PowerPoint PPT Presentation

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Page 1: Carbon Forms

Carbon Forms

Carbon Monoxide – CO: poisonous Carbon Dioxide – CO₂: greenhouse gas,

poisonous at high concentrations

Page 2: Carbon Forms

Carbon Sources1. Fossil Fuels

› Ex: Coal, oil, gasoline, natural gas, propane

Page 3: Carbon Forms

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

Page 4: Carbon Forms

Carbon Reservoirs

Atmosphere Plants Animals Fossil Fuels Rock Soil Wood Ocean: called a carbon sink because it

takes up excess CO₂ from the atmosphere

Page 5: Carbon Forms

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

Page 6: Carbon Forms

Why do we care? CO₂ concentrations fluctuate over time

› Levels are higher than they were 1000 years ago

Page 7: Carbon Forms

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

Page 8: Carbon Forms

How does carbon get taken out of the atmosphere?

Photosynthesis Oceans: carbon sink Decaying organisms

Page 9: Carbon Forms

Carbon movieshttp://www.npr.org/news/specials/climate/video/

http://www.npr.org/news/specials/climate/video/
Page 10: Carbon Forms
Page 11: Carbon Forms

Forms of Energy Used in the U.S.


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