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The Atmosphere

TermDefinition
weather The condition of Earth's atmosphere at a particular time and place.
atmosphere The envelope of glasses that surround Earth.
water vapor Water in the form of a gas.
density The ratio of the mass of a substance to its volume (mass divided by volume)
air pressure The pressure cause by the weight of a column of air pushing down on the area.
barometer A instrument used to measure changes in air pressuer.
mercury barometer An instrument that measures changes in air pressure, consisting of a glass tube partially filled with mercury, with its open end resting in a dish of mercury.
aneroid barometer An instrument that measures changes in the air pressure without using a liquid.
altitude Elevation above sea level.
troposphere The lowest layer of Earth's atmosphere.
stratosphere The second lowest layer of Earth's atmosphere.
mesosphere The layer of Earths's atmosphere immediately above the stratosphere.
theremosphere The out most layer of Earth's 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 through electromagnetic waves.
infrared radiation Electromagnetic waves with that are longer than visible light but shorter that microwaves.
ultraviolet radiation Electromagnetic waves with wavelengths that are shorter that visible light but are longer that X-rays.
scattering Reflection of light in all directions.
greenhouse effect The trapping if heat through a planet's surface by certain glasses in the planet's atmosphere.
Created by: Zsmith380
 

 



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