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Atmosphere Lesson1-4

weather Condition Earth's atmosphere at a particular time and place
atmosphere The envelope of gases that surrounds Earth
water vapor Water in the form of gas
density The ratio of the mass of a substance to its volume (mass divided by volume)
air pressure The pressure caused by the weight of a column of air pushing down on an area
barmeter An instrument used to measure changes in air pressure
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 dish of mercury
aneroid barometer An instrument that measures changes in air pressure without using a liquid
altitude Elevation above sea level
troposphere The lowest layer of Earth's atmosphere
stratosphere The second-layer of Earth's atmosphere
mesosphere The layer of Earth's atmosphere immediately above the stratosphere
thermosphere The outermost layer of Earth's atmosphere
ionosphere The lowest part of the thermosphere
exosphere The outer layer of the thermosphere
electromagnetic waves A wave that can transfer electric and magnetic energy through that 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 wavelength that are shorter than visible light but longer than x-rays
scattering Reflection of light in all direction.
green house effect The trapping of heat near a plant's surface by certain gases in the planet's atmosphere
Created by: mvu047
 

 



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