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Atmosphere

Vocab for Atmosphere/Weather

Vocabulary WordDefinition
Atmosphere A thin layer of air that forms a protective covering around the planet
Troposphere The lowest of Earth's atmospheres; 99% water vapor & 75% atmospheric gas
Stratosphere The layer of the earth's atmosphere above the troposphere and above the earth's surface
Mesosphere The layer of the earth's atmosphere that contains a high concentration of ions and free electrons; able to reflect radio waves
Ionosphere Within the mesosphere and thermosphere, this is a layer of electrically charged particles
Thermosphere The outermost shell of the atmosphere, between the mesosphere and outer space, where temperatures increase steadily with altitude.
Exosphere The outermost layer of the earth's atmosphere, from which molecules having sufficient velocity can escape the earth's gravitation.
Ultra Violet Radiation One of the many types of energy that come to Earth from the Sun
Ozone Layer Within the stratosphere, this is the atmospheric layer; it is made of oxygen
CFC's Chemical compounds used in some refrigerators, air conditioners, etc; air pollutant
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