Shared Flashcard Set

Details

GRIFFIN Long
atmosphere
10
Science
7th Grade
04/11/2014

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Cards

Term
atmosphere
Definition
layer of gases that surrounds a planet
Term
what is the atmosphere made up of
Definition
1.) Nitrogen
2.)oxygen
Term
was percentage is that
Definition
Nitrogen 78%
oxygen 21%
Water vapor, carbon dioxide 1%
Term
4 reasons why is the atmosphere important
Definition
1.)provides us with oxygen
2.)stabalizes surface tempature (traps solar heat)
3.)Protects us from meteors
4.)ozone layer protects us from harmful rays (UV)
Term
what are the layers of the atmosphere
Definition
troposphere
Term
the weather...
Definition
tempature changes when you move from one layer to another
Term
atmosphere preasure
Definition
pressure caused by air molecules above at the greater surface
Term
what does the ozone layer protect us from...
Definition
the ozone layer protects us from UV rays
Term
ozone layers also
Definition
absorb energy fromn UV rays
Term
ozone layers.......
Definition
layer destroyed by CFC's
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