Term
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Definition
| layer of gases that surround a planet |
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Term
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Definition
| O2 from 1st organisms (algae) |
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Term
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Definition
Nitrogen (78%)
Oxygen (21%)
Water vapor, carbon dioxide (1%) |
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Term
| Importance of the atmosphere |
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Definition
1) provides us with oxygen
2)Stabilizes surface temperture (traps solar heat)
3) Protects us from meteors (they burn up)
4) Ozone layer protects us from harmful rays (UV) |
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Term
| The layer of the atmosphere we live in |
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Definition
| The troposphere (closest to Eath's surface) |
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Term
| What happens as you move from one lyer to another |
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Definition
| The temperature changes as you move from one layer to another (colder to hotter to colder) |
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Term
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Definition
pressure caused by air molecules above
- Greatest at suface |
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Term
| How the ozone layer protects us |
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Definition
| Ozone (O3) layer protects us against UV rays |
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Term
| What the ozone layer does to the UV rays |
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Definition
| Absorbs energy from UV rays |
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Term
| HOw the ozone layer is destroyed |
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Definition
| The ozone layer is destroyed by CFC's (found in aerosol sprays and refrigerators) |
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Term
| Where the ozone hole forms |
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Definition
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Term
| What the government banned to protect the ozone layer |
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Definition
| Some governments have banned CFC's |
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Term
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Definition
| energy that flows from hotter objects to a cooler object |
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Term
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Definition
energy transferred by waves
-getting a sunburn |
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Term
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Definition
energy transferred by touch
-burning your feet on hot pavement |
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Term
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Definition
energy transferred by current (air or water)
-warm air rising to the attic |
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Term
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Definition
| when water changes to water vapor |
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Term
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Definition
| when water vapor changes to water |
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Term
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Definition
| when water droplets fall from clouds |
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Term
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Definition
| water in stream and river |
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Term
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Definition
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Term
| Where does energy come from? |
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Definition
| All energy originates from the sun |
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