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Ch 3 lessons 1-4

QuestionAnswer
weather the condition of Earths atmosphere at a particular time and place
atmosphere the envelope of gases that surround earth
water vapor water in the form of a gas
density the ration of the mass of a substance to its volume
air pressure the pressure caused by the wave of a column of air pushing down on a area
barometer an instrument used to measure change in air pressure
mercury barometer an instrument that measures changes in air pressure consisting of a glass tube partially filled with mercury
aneroid barometer an instrument that measures changes in air pressure without a liquid
altitude elevation above sea level
troposphere the lowest layer of Earth's atmosphere
statosphere the second lowest layer of Earths atmosphere
mesosphere the layer above the stratosphere and a part of Earths atmosphere
thermosphere the outer most layer of Earths atmosphere
ionosphere the lower part of the thermosphere
exosphere the outer layer of the thermosphere
electromagnetic waves a wave that can transfer electric and magnetic energy through the vacuum of space
radiation the transfer of energy by electromagnetic waves
infrared radiation Electromagnetic waves with wavelengths that are longer than visible light but shorter than microwaves
ultraviolet radiation Electromagnetic waves with wavelengths that are shorter than visible light but longer than x-rays
scattering reflection of light in all directions
greenhouse effect the trapping of heat near a planets sruface
Created by: mgadwood002
 

 



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