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chapter 6 voc

TermDefinition
atmosphere a thin layer of gases surrounding the earth
water vapor water in its gaseous form.
troposphere the atmospheric layer closest to the Earth's surface.
stratosphere the second layer away from the Earth's surface
ozone layer the area of the stratosphere with a high concentration of O3.
ionosphere the region within the mesosphere and the
thermosphere that contains ions.
nitrogen most abundant gas in the atmosphere.
oxygen the gas in the atmosphere that animals use as they breath.
radiation the transfer of energy by electromagnetic waves
conduction the transfer of thermal energy by collisions between particles of matter.
convection the transfer of thermal energy by the movement of matter from one place to another.
stability describes whether circulating air motions are strong or weak.
temperature inversion occurs in the troposphere when temperature increases as altitude increases.
reflection the throwing back by a body or surface of light, heat, or sound without absorbing it.
absorption the process or action by which one thing absorbs or is absorbed by another.
wind the movement of air from areas of high pressure to areas of low pressure
trade winds are steady winds that flow from east to west between 30 N latitude and 30 S latitude
westerlies are steady winds that flow from west to east between latitudes 30 N and 60 N, and 30 S and 60 S
polar easterlies cold winds that blow from the east to west near the Noth Pole and The south pole
jet stream near the top of the troposphere is a narrow band of high winds
sea breeze is wind that blows from the sea to the land due to local temperature and pressure differences
land breeze is wind from the land due to local temperature and pressure differences
air pollution the contamination of air by harmful substance including gas and smoke
acid precipitation when sulfur dioxide and nitrogen oxides combine with moisture in the atmosphere and form precipitation that has a pH lower than that of normal rainwater
photochemical smog is air pollution that forms from the interaction between chemicals in the air and sunlight
particulate matter is a mixture of dust, acids, and other chemicals that can be hazardous to human health
Created by: carreali2911