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11 Cards in this Set

  • Front
  • Back

Weather

the condition of earths atmosphere at a particular time and place

Atmosphere

the mixture of gases that surrounds earth

troposphere

the lowest layer of earths atmosphere, where weather ocours

stratosphere

the second-lowest layer of earths atmosphere; the ozone layer is located in the upper portion of this layer; airplane pilots like to fly in this layer.

ozone

the upper stratosphere contains a high concentration of this; it absorbs the sun's harmful ultraviolet rays

mesosphere

the middle layer of earths atmosphere; the layer in which most meteoroids burn up; strong winds blow in this layer

thermosphere

the outermost layer of earths atmosphere; it is divided into two layers; ionosphere and exosphere

ionosphere

the lower part of the thermosphere; important for radio communications; creates aural displays

exosphere

the outer layer of the thermosphere, extending outward into space; layer where satellites and other spacecraft travel

altitude

elevation above sea level

air pressure

a force that is the result of the weight of a column of air pushing down on an area