flashcards
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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| Water Cycle | the continual movement of water among Earth's atmosphere, oceans and land surface through evaporation, condensation, and precipitation.
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| Evaporation | the process by which water molecules in liquid water escape into the air.
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| Humidity | the amount of water vapor in a given volume of air.
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| Relative Humidity | the percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature.
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| Psychrometer | an instrument used to measure relative humidity, consisting of a wet bulb thermometer and a dry bulb thermometer.
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| Condensation | the process by which molecules of water vapor in the air become liquid water
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| Dew Point | the temperature in which condensation begins
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| Cirrus | wispy, feathery clouds made mostly of ice crystals that form at high levels
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| Cumulus | fluffy, white clouds, usually with a flat bottom, that look like rounded piles of cottton
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| Stratus | clouds that form in flat layers and often cover much of the sky
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| Precipitation | any form of water that falls from the clouds and reaches earths surface
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| Air Mass | a huge body of air that has similar temperature, air pressure, and humidity at any given height
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| Tropical | warm air masses
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| Polar | cold air masses
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| Maritime | humid air mass that forms over oceans
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| Continental | dry air mass that forms over land
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| Front | the boundary where unlike air masses meet but do not mix
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| Occluded | cut off, as in a front where warm air mass is caught between two cooler air masses
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| Cyclone | A swirling center of low air pressure
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| Anticyclone | A high-pressure center of dry air
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| Storm | A violent disturbance in the atmosphere
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| Thunderstorm | A small storm often occompanied by heavy precipitation and frequent thunder and lightning
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| Lightning | A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground
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| Tornado | a rapidly whirling, funnel shaped cloud that reaches down from the storm to touch Earth's surface
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| Hurricane | A tropical storm that has winds of about 119 km per hour or higher
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| Storm Surge | A dome of water that sweeps across the coast where the hurricane lands
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| Meteoroligist | a scientist who studies the causes of weather and tries to predict it.
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| Isobar | A line on a weather map that joins places that have the same air pressure.
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| Isotherm | a line on a weather map that joins places that have the same tenperature.
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