C1 Air Quality 21st Century A

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  • Created on: 29-05-13 11:46
What are Molecules?
Molecules- groups of atoms joined together
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Give a brief description of the atmosphere?
The atmosphere is a thin layer of gases that surrounds the Earth and is 15km thick
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Name the 3 gases that are found in clean air and their percentages
Nitrogen- 78% Oxygen- 21% Argon- 1%
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Name the gases that are NATURALLY released into the atmosphere by volcanoes
Water Vapour, Nitrogen dioxide, Carbon Dioxide, Carbon monoxide,Sulfur Dioxide and all these gases produce particulates(Carbon)
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How can scientists find out about the development of the Earth's atmosphere?
1) Chemical Composition of rocks- Gives scientists clues about the ages of the rocks and the state of the atmosphere when the particular rock was formed
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Other cards in this set

Card 2

Front

Give a brief description of the atmosphere?

Back

The atmosphere is a thin layer of gases that surrounds the Earth and is 15km thick

Card 3

Front

Name the 3 gases that are found in clean air and their percentages

Back

Preview of the front of card 3

Card 4

Front

Name the gases that are NATURALLY released into the atmosphere by volcanoes

Back

Preview of the front of card 4

Card 5

Front

How can scientists find out about the development of the Earth's atmosphere?

Back

Preview of the front of card 5

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