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Definition
| layer of gases that surrounds a planet |
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1. Nitrogen (78%)
2. Oxygen (21%)
3. Water vapor, carbon dioxide (1%) |
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1. Provides us with oxygen
2. Stabilizes surface temperature (traps solar heat)
3. Protects us from meteors (they burn up)
4. Ozone layer protects us from harmful rays (UV) |
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| (closest to earth’s surface) |
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| • Temperature changes as you move on layer to another (colder to hotter to colder) |
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Definition
pressure caused by air molecules above
• Greatest at surface |
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• Ozone (O3) layer protects us against UV rays
• Absorb energy from UV rays
• Layer destroyed by CFCs (found in aerosol sprays and refrigerators)
• Ozone hole forming over Antarctica
• Some govt’s have banned CFCs |
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Definition
| atmosphere pressure is from pressure caused by air molecules above |
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Definition
| atmosphere is caused by pressure caused by air molecules above |
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Definition
| It protects the UV rays from our skin. |
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| what is the percent of oxygen |
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Definition
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| what is the percent of nitrogen |
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Definition
| energy that flows from a hotter object to a cooler object |
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Definition
| energy transferred by waves |
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Definition
| energy transferred by touch |
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Definition
| energy transferred by currents (air or water) |
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Definition
| when water changes to water vapor |
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Definition
| when water vapor changes to water |
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Definition
| when water droplets fall from clouds |
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Definition
| water in the streams and rivers |
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| burning tour feet on hot pavement |
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Definition
| warm air rising to the attic |
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