Ch 11 Definitions 1

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Ch 11 Definitions 1
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Layer of Earth's atmosphere that is located above
the mesopause and contains only a minute portion
of the atmosphere's mass.
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Thermosphere
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Energy transfer that occurs when molecules
collide takes place only when substances are in
contact with each other.
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Conduction
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Outermost layer of Earth's atmosphere that is
located above the thermosphere and contains light
gases such as helium and hydrogen.
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Exosphere
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A gas, formed by the addition of a third oxygen
atom to an oxygen molecule, that absorbs
ultraviolet radiation from the Sun.
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Ozone
O3
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Layer of Earth's atmosphere above the
stratopause.
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Mesosphere
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Layer of the atmosphere closest to Earth's
surface, where most of the atmospheres mass is
found and in which most weather takes place.
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Troposphere
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Layer of Earth's atmosphere that is located above
the tropopause and is made up primarily of
concentrated ozone.
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Stratosphere
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Energy transfer through space by visible light,
ultraviolet radiation, and other forms of
electromagnetic waves.
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Radiation
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Transfer of energy by the flow of a heated
substance.
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Convection
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End