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Unit 7 Vocab - Part 1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Water cycle   the movement of water between the atmosphere and earth's surface  
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Evaporation   it the process by which water molecules in liquid water escape into the air as water vapor  
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Condensation   the process by which molecules of water vapor in the air become liquid water  
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Humidity   is the measure of the of the amount of water vapor in the  
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Relative Humidity   is the percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a particular temperature  
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Dew point   the temperature at which condensation begins  
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Precipitation   any form of water that falls from clouds and reaches earth's surface  
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Cirrus Clouds   wispy, feathery clouds made mostly of ice crystals that form at high levels  
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Cumulus Clouds   fluffy, white clouds usually with a flat bottom, that looks like rounded piles cotton  
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Cumulonimbus Clouds   towering clouds with flat tops  
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Stratus Clouds   clouds that form in flat layers and often cover much of the sky  
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Air Mass   a huge body of air that has similar temperature, humidity, and air pressure throughout  
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Tropical   a warm air mass that forms in the tropics and has low air pressure  
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Polar   a cold air mass that forms north of 50 degrees north latitude and south of 50 degrees south latitude and has high air pressure  
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Maritime   a humid air mass that forms over oceans  
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Continental   a dry air mass that forms overland  
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Maritime Tropical Air Mass   warm, humid air masses form over tropical oceans  
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Maritime Polar Air Mass   cool, humid air masses form over icy cold north pacific and north atlantic oceans  
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Continental Tropical Air Mass   hot, dry air mass form mostly in summer over dry areas of the south west and northern mexico  
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Continental Polar Air Mass   cold, dry air masses form over central and northern canada and alaska  
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Psychrometer   the instrument that measures relative humidity  
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Dew   liquid water that condenses from the air onto a cooler surface  
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Frost   ice that has been deposited on a surface that is below freezing  
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Created by: lprinke
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