How does carbon move in and out of the atmosphere? Why has the amount of carbon dioxide increased...
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Transcript of How does carbon move in and out of the atmosphere? Why has the amount of carbon dioxide increased...
The carbon cycle
How does carbon move in and out of the atmosphere?
Why has the amount of carbon dioxide increased recently
What is a carbon neutral fuel
Aims
Carbon is often called the building block of life as it is found in all organic molecules
Carbon dioxide is a greenhouse gas. What does this mean?
Why is carbon important ?
Why would life be impossible on this planet without this green house gas?
How is carbon dioxide removed from the atmosphere by green plants?
Can you write a word equation for this?
Cycling of carbon dioxide
Oceans are called sinks for carbon dioxide
Carbon dioxide is absorbed by sea water and makes insoluble carbonates
Removal of carbon dioxide by absorption in the oceans
1 R
Can you write a word equation for this
2. Decomposition by microbes of dead trees
3. Deforestation
How is carbon dioxide added to the atmosphere?
Volcanoes
Burning fossil fuels like oil or coal
Why is biodiesel fuel called a carbon neutral fuel?
Absorbs carbon dioxide to form carbonates which are insoluble and fall to the bottom of the sea
Absorbs carbon dioxide which forms soluble hydrogen carbonates which remain dissolved in sea water
Seas and oceans act as BUFFERS
Role of the sea
The hole in the ozone layer is causing global warming?
True or false Questions
A record hot day is evidence of global warming
True or False?
Burning fossil fuels contributes to global warming
True or false?
Global warming will cause less rain.
True or false
List how carbon dioxide is removed from the air?
List how carbon dioxide is added to the air
What is the result of too much carbon dioxide?
Summary