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Bonnie Branch 6th Grade - Weather

Evaporation changing of a liquid into a gas
Transpiration process by which plants give off water vapor into the air
Capacity amount of material something can hold
Saturated filled to capacity
Specific humidity actual amount of water in the air
Condensation changing of a gas to a liquid
Dew point temperature to which air must be cooled to reach saturation
Frost ice formed from condensation below the freezing point of water
Cirrus cloud light, feathery cloud
Cumulus cloud big, puffy clouds
Stratus cloud sheet-like cloud that forms layers across the sky
Precipitation water that falls to Earth from the atmosphere
Rain gauge device used to measure precipitation
Air mass large volume of air with about the same temperature and amount of moisture throughout
Polar air mass air mass that forms over cold regions
Tropical air mass air mass that forms over warm regions
Front boundary between air masses of different densities
Cold front forward edge of a cold air mass, formed when a cold air mass pushes under a warm air mass
Warm front forward edge of a warm air mass, formed when a warm air mass pushes over a cold air mass
Thunderstorm storm with thunder, lightning, and often heavy rain and strong winds
Tornado small, very violent funnel-shaped cloud that spins
Hurricane tropical storm with very strong winds
Station model record of weather information at a weather station
Millibar unit of measurement for air pressure
Isobar line on a weather map that connects points of equal air pressure
Isotherm line on a weather map that joins places that have the same temperatures
Created by: kjanelli