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chapter 3

chapter 3 learn for brain

TermDefinition
weather The condition of Earth's atmosphere at a particular time and place. (p. 74)
atmosphere The envelope of gases that surrounds Earth. (P. 74)
water vapor Water in the form of a gas. (p. 76)
density The ratio of the mass of a substance to its volume (mass divided by volume). (p. 79)
air pressure The pressure caused by the weight of a column of air pushing down on an area. (p. 79)
barometer An instrument used to measure changes in air pressure. (p. 80)
altitude Elevation above sea level. (p. 82)
troposphere The lowest layer of Earth's atmosphere. (p. 86)
stratosphere The second-lowest layer of Earth's atmosphere. (p. 87)
mesosphere The layer of Earth's atmosphere immediately above the stratosphere. (p. 88)
thermosphere The outermost layer of Earth's atmosphere. (p. 89)
ionosphere The lower part of the thermosphere. (p. 89)
exosphere The outer layer of the thermosphere. (p. 89)
radiation The transfer of energy by electromagnetic waves. (p. 91)
scattering Reflection of light in all directions. (p. 93)
greenhouse effect The trapping of heat near a planet's surface by certain gases in the planet's atmosphere. (p. 95)
heat The transfer of thermal energy from one object to another because of a difference in temperature. (p. 98)
wind The horizontal movement of air from an area of high pressure to an area of lower pressure. (p. 101)
Created by: chase mazola