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Science Lesson 4

TermDefinition
Atmosphere A thin layer of gases surrounding Earth
Water Vapor Waterin its gaseous form
Troposphere The atmospheric layer closest to Earth's surface
Stratosphere The atmospheree layer directly above the troposphere
Ozone Layer The area of the stratosphere with a high concentration of ozone
Ionsphere A region within the mesosphere and thermosphere containing ions
Radiation The transfer of thermal energy by electromagnetic waves
Conduction The transfer of thermal energy due to collisions between particles
Convection The circulation of particles within a material caused by differences in thermal energy and density; the transfer of thermal energy by the movement of particles from on part of a material to another
Stability Whether circulating air motions will be strong or weak
Tempeture Inversion A tempeture increase as altitude increases in the troposphere
Wind The movement of air from areas of high pressure to areas of low pressure
Trade Winds Steady winds that flow from east to west between 30N latitude and 30S latitude
Westerlies Steady winds that flow from west to east between latitudes 30N and 60N, and 30S and 60S
Polar Easterlies Cold winds that blow from the east to the west near the North Pole and the South Pole
Jet Stream A narrow band of high winds located near the top of the troposphere
Sea Breeze A wind that blows from the sea to the land due to local tempeture and pressure differences
Land Breeze A wind that blows from the land to the sea due to local tempeture and pressure differences
Air Pollution The contamination of air by harmful substances including gases and smoke
Acid Precipitation Precipitation that has a lower pH than that of rainwater
Photochemical Smog Air pollution that forms from the interaction between chemicals in the air and sunlight
Particulate Matter The mix of both solid and liquid particles in the air
Created by: user-1984742
 

 



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