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8th Grade Science Chapter 13 Lesson 1 Vocabulary

air pressure

the pressure that a column of air exerts on the air or surface below it

dew point

temperature at which air near the ground becomes fully saturated with water


amount of water vapor in
the air

kinetic energy

the energy an object has due to its motion


water, in liquid or solid form, that falls from the atmosphere

relative humidity

amount of water vapor present in the air relative to the maximum amount of water vapor the air can contain at that


a quantity that can change

water cycle

a series of natural
processes in which water
continually moves among oceans,
land, and the atmosphere


atmospheric conditions of
a certain place at a certain time

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