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study guide
Term | Definition |
---|---|
oxygen | organisms need it to break down food for energy |
carbon dioxide | minor role in absorbing heat. plant fertilizer |
Ozone | Absorbs ultraviolet radiation from the sun |
water vapor | major role in absorbing heat, source of condensation for clouds |
water | source of rain |
ice | makes up snow sleet and hail |
dust and salt | provides solid surface for water vapor to condense |
troposphere | weather, life form, jets |
stratosphere | ozone layer, weather balloons |
mesosphere | meteors (shooting stars) burn here |
thermosphere | ionosphere, auroras |
exosphere | some h and he satellites |
radiation | transfer of energy through space |
conduction | transfer of energy by contact |
convection | transfer of energy by flow of a heated substance |
temperature | measurement- how rapidly or slowly molecules move. |
heat | transfer of energy |
dew point | temperature to which air must be cooled to reach saturation |
humidity | the amount of water vapor the air can hold at an given temperature |
density | mass (of air) per volume |
air pressure | force exerted by molecules of atmosphere as they are pulled towards earths center by gravity |
warm air | as temperature increases, air molecules move faster and the air becomes less. |
cold air | as temperature decreases, air molecules move more slowly and the air becomes more dense |
Lifted condensation level | level at which a parcel of air becomes saturated |
cumulonimbus | clouds that create severe weather. |
continental tropical | ct |
maritime tropical | mt |
continental polar | cp |
maritime polar | mp |
arctic | ca |
polar easterlies | east |
prevailing westerlies | west |
trade winds | east |