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Vocab 3/21
Question | Answer |
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Latent heat | the heat energy that is absorbed or released by a substance during a phase change |
Dew point | at constant pressure and water vapor content, the temperature at which the rate of condensation equals the rate of evaporation |
Absolute humidity | the mass of water vapor per unit volume of air that contains the water vapor, usually expressed as grams of water vapor per cubic meter of air |
Relative humidity | the ratio of the amount of water vapor in the air to the amount of water vapor needed to reach saturation at a given temperature |
Condensation nucleus | a solid particle in the atmosphere that provides the surface on which water vapor condenses |
Adiabatic cooling | the process by which the temperature of an air mass decreases as the air mass rises and expands |
Advective cooling | the process by which the temperature of an air mass decreases as the air mass moves over a cold surface |
Stratus cloud | a gray cloud that has a flat, uniform base that commonly forms at low altitudes |
Cumulus cloud | a low-level, billowy cloud that commonly has a top that resembles cotton balls and a dark bottom |
Cirrus cloud | a feathery cloud that is composed of ice crystals, and that has the highest altitude of any cloud in the sky |