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Ch3 Atmosphere L 1-6

Ch3 Atmosphere

QuestionAnswer
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 gas
density the ratio of a substance to its volume
air pressure the pressure caused by the weight of a column of air pushing down in an area
barometer 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 and resting in a dish of mercury
aneroid barometer an instrument that measures changes n air pressure without using a liquid
altitude elevation above sea level
troposphere The lowest layer of the earths atmosphere
stratosphere The second lowest layer of the earths atmosphere
mesosphere The layer of the earths atmosphere immediately above the stratosphere
thermosphere The outermost layer of the earths atmosphere
ionosphere The lower part of the thermosphere
exosphere the outer layer of the atmosphere
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 that microwaves
ultraviolet radiation Electromagnetic waves with wavelength 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 planet's surface by gasses in the planet's atmosphere
temperature How hot or cold something is a measure of the average energy of motion of the particles of a substance
thermal energy The total energy of all the particles of an object
thermometer an instrument used to measure temperature
heat the transfer of thermal energy from one object to another because of a difference in temperature
convection the transfer of energy by the movement of fluid
conduction the transfer of thermal energy from one particle of matter to another
convection currents the movement of a fluid, caused by differences in temperature, that transfers heat from one part of a fluid to another
wind the horizontal movement of air from an area of high pressure to an area of low pressure
anemometer an instrument used to measure wind speed.
windchill factor a measure of cooling combining temperature and wind speed
local winds Winds that blow over short distances
sea breeze The flow of cooler air from over an ocean or like toward land
land breeze Flow of air from land to a body of water
global winds winds that blow steadily from specific directions over long distances
Coriolis effect the effect of earth's rotation on the direction of winds and currents
latitude the distance in degrees north or south of the equator
Created by: gbarazsu003
 

 



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