Term
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Definition
| mixture of gases that surround a planet or moon |
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Term
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Definition
| force with which air molecules push on a surface |
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Term
| composition of atmosphere |
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Definition
| 78% Nitrogen (N) 21% Oxygen (O) 1% other gases (water vapor, carbon dioxide, argon, helium) |
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Term
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Definition
-layer in which we live
-makes up most of atmosphere's mass
- weather and air pollution takes place
-temperature gets colder as you go higher |
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Term
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Definition
- home of ozone
- temperature gets hotter as you go higher |
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Term
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Definition
| - absorbs ultra violet rays from the sun |
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Term
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Definition
- middle and coldest layer
- temperature gets colder as you go higher |
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Term
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Definition
- uppermost layer of the atmosphere
- temperature gets hotter as you go higher |
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Term
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Definition
- not a layer but is located at the upper mesosphere and lower thermosphere
- contains charged atoms called ions
- ions in the polar regions radiate enrgy as lights called auroras |
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Term
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Definition
- transfer of enerfy as electromagnetic waves
- Earth receives sun's energy by radiation |
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Term
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Definition
| transfer of heat through a material |
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Term
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Definition
| transfer of heat by the circulation or movement of liquid or gas |
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Term
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Definition
| warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide and other gases absorb and reradiate heat energy |
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Term
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Definition
| gradual increase in avergae global temperature |
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Term
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Definition
| from the ocean, cool air flows to the land during the day |
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Term
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Definition
| from the land, cool air moves toward the ocean at night time |
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Term
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Definition
| contamination of teh atmosphere by the introduction of pollutants from human and natural resources |
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Term
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Definition
pollutants that are put directly into the air by human or natural activity
ex. dust, volcanic gases,smoke |
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Term
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Definition
form when primary pollutants react with other primary pollutants
ex. ozone, smog |
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Term
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Definition
| rain, sleet or snow that contains a high concentration of acids |
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