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7th Grade Atmosphere

TermDefinition
atmosphere thin layer of gases surrounding earth
ionosphere region within the mesosphere and thermosphere containing ions
ozone layer three oxygen atoms combined protective layer in the stratosphere(absorbs harmful ultraviolet radiation)
stratosphere layer with ozone directly above the troposphere
troposphere layer of the atmosphere in which we livwe and closest to the earth's surface
water vapor the gaseous form of water
conduction transfer of thermal energy by collisions between particles of matter
convection transfer of thermal energy by the movement of matter from one place to another
radiation transfer of energy by electromagnetic radiation
reflect to return light, heat, sound, etc. after striking a surface
stability describes circulating air motion will be strong or weak in the atmosphere
temperature inversion layer of cooler air is trapped by a layer of warmer air above it.
jet stream narrow band of high winds
land breeze wind that blows from the land to the sea
polar easterlies cold wind that blows from the east to the west near the poles
sea breeze wind that blows from the water onto the land
trade wind steady wind that flow towards the equator from east to west
westerlies steady winds that flow from west to east
wind movement of air from high pressure to low pressure areas
acid precipitation Nitrogen oxides and sulfur oxides combine with moisture in the atmosphere
air pollution contamination of air by harmful substances
particulate matter mixture of acids, dust, and other particles that can be harmful to health
photo-chemical smog interaction between sunlight and chemicals in the air
Created by: P-townMr. Green
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