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Topic 6 Lesson 2

Water in the Atmosphere

water cycle The series of events where water moves between the surface of the Earth and the atmosphere.
evaporation When molecules of liquid water in oceans, lakes and other bodies of water are heated by the sun.
condensation When water vapor changes in to liquid water.
dew point The temperature at which condensation begins.
humidity A measure of the amount of water vapor in the air.
relative humidity The percent of water vapor in the air compared to the maximum (most) amount of water vapor the air can hold at a certain temperature.
precipitation ANY form of water that falls from clouds and reaches the Earth's surface.
Created by: KHow424