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The process by which fast-moving molecules escape from a liquid to form water vapor |
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The heat energy absorbed or released by a substance during a phase change |
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The process in which water vapor changes into a liquid |
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The condensation that occurs when air comes into contact with grass and cools |
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The process by which a solid changes directly into a gas |
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An instrument that measures relative humidity with two identical thermometers is a(an)..? |
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Equals the rate of evaporation |
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Definition
The dew point is the temperature at which the rate of condensation..? |
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From where does most evaporation come? |
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From where does most evaporation come? |
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If the temperature stays the same and the air becomes more moist , the relative humidity will..? |
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The mass of water vapor contained in a given volume of air is..? |
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The base of the clouds marks the..? |
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Between 2,000 and 6,000 m |
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Definition
Where do middle clouds form? |
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Upslope fog formms through..? |
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Upslope fog formms through..? |
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Forms along coasts when warm.moist air moves across a cold surface |
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Have the highest altitude of any cloud in the sky |
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Cover large areas of sky and often block out the sun |
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Form at low altitudes with a top that resembles cotton balls |
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It sometimes increases and sometimes decreases precipitation. |
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Definition
What have Meteorologists concluded about cloud seeding..? |
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The most common form of solid precipitation is..? |
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What can form if rain falls through a layer of freezing air near the ground? |
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The diameter of a normal raindrop is..? |
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Precipitation in the form of lumps of ice is..? |
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Cools a substance without changing its state |
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Measures the amount of rainfall |
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Definition
Combines small cloud droplets into large droplets |
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Measures precipitation intensity |
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Introduces condensation nuclei into a cloud |
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A condition in which water is cooled below its freezing point without going through change of state is called..? |
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The process by which a solid changes directly into a gas |
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Any form of water that falls to Earth's surface from clouds |
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Collection of water droplets or ice crystals suspended in the air |
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The temperature at which condensation equals evaporation |
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A mass of water vapor that condenses near the surface of Earth |
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A suspended particle that provides a surface for condensation |
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Heat energy that is absorbed or released during a phase during a phase change |
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Definition
The mass of water vapor contained in a given volume of air |
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Definition
The ratio of actual water vapor content of the air to the amount of water vapor needed to reach saturation |
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Definition
Formation of a large droplet by the combination of small droplets |
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Definition
In order to find out how intense precipitation will be,meteorologists use..? |
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Precipitation formed in cumulonimbus clouds when convection currents repeatedly carry raindrops to high levels is..? |
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Water vapor changes into a liquid in the process of..? |
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The process in which the temperature of an air mass decreases as the air rises and expands is called..? |
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Fog that results from the nightly cooling of Earth is called..? |
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Definition
Large cloud formations associated with storm systems form by..? |
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What forms when the dew point falls below freezing temperature of water and water vapor turns directly to ice? |
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What is a low-altitude billowy cloud called? |
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