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Ch.2 Weather Terms

A fun and interesting way to study for the chapter test!

TermDefinition
Density The amount of mass of a substance to a given volume.
Radiation The direct transfer of energy from electromagnetic waves.
Electromagnetic Waves A form of energy that can travel through space.
Infrared Radiation A form of energy with wavelengths that are shorter than ultraviolet radiation.
Green House Effect The process by which gases can hold heat in the air.
Thermal Energy The total energy of motion in the molecules of a substance.
Temperature The average amount of energy of a motion of each molecule of a substance.
Scattering Reflection of light in all directions.
Heat The energy transferred from a hotter object to a cooler one.
Conduction The direct transfer of heat from one substance to another substance that is touching.
Convection The transfer of heat by the movement of fluid.
Wind A horizontal movement of air from a high pressured area.
Anemometer Something that test the wind speeds.
Wind-Chill Factor The increased cooling that a wind can cause.
Land Breeze The flow of air from land to a body of water.
Sea Breeze A breeze from a large body of water to land.
Monsoons Sea and land breezes over a large region that changes direction with the seasons.
Global Winds Winds that blow steadily from a specific directions over long distances.
Coriolis Effect The way the earth's rotations make the winds curved.
Latitude The distance from the equator measure in degrees.
Jet Streams Earth's surface are bands of high speed winds.
Evaporation Is the process by which water molecules in liquid water escape into the air.
Relative Humidity A measure of the amount of water vapor in the air compared to the maximum amount of air could hold.
Humidity The amount of water vapor in the air.
Psychrometer An instrument used to measure relative humidity.
Condensation The process by which molecules of water vapor in the air can become liquid.
Dew Point The temperature at which the condensation begins.
Cumulus The clouds that look puffy.
Stratus Clouds that form a flat layer.
Cirrus Wispy feathery clouds.
Precipitation Any form of water that falls from the clouds and reaches earth's surface.
Rain Gauge An open ended tube that collects water.
Droughts Unusually low precipitation.
Created by: cad_bb893
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