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5 Cards in this Set
- Front
- Back
atmosphere
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Group of gases (commonly called air) held around a planet by its gravity. The atmosphere
1) protects us from the harmful rays of the sun 2) provides living things with gases needed for survival 3) acts like a blanket and traps in heat to keep planet warm enough for life |
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meteorology
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the study of the atmosphere and weather
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weather
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the condition of the atmosphere at a specific time & place, including:
1) temperature 2) wind speed & direction 3) # and type of clouds 4) humidity (amount of water vapor in the air) 5) air pressure 6) types of precipitation |
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climate
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the long term, average weather a place receives over many years
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What gases form our atmosphere?
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78% Nitrogen
21% Oxygen 0.93% Argon 0.04% Carbon Dioxide 0.03% other gases (includes neon, ozone, hydrogen, helium, etc.) This also includes various amounts of water vapor, many dust particles & numerous pollutants |