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| constant movement of water between the atmosphere and earths surface |
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| the process by which water molecules in liquid water escape into the air as water vapor |
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| the process by which molecules of water vapor in the air become liquid water |
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| _ is also addded to the air by living things |
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| three ways living things put water in the atmosphere |
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respiration-breathing
perspiration-sweating
transpiration-plats release water thtough pores in leaves |
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| the measure of the amount of water vapor in the air |
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| the percentage of water in the air compared to the maximum amount the air could hold |
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| part of something based on 100 |
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| an instrament used to measure relitive humidity |
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| _ is based on 100% of water in the air |
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| the _ the air, the more water it can hold |
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| _ air brings higher humidity |
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| _ is 50% of the air so _ is the other 50% |
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| relative humidity - water |
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| water vapor is a _ and _ are invisible |
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| _ form when water vapor condenses into liquid water |
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| as air cools it cannot hold as much water - so as it cools it comndenses and squeezes the water out of it like a sponge |
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| _ is a form of persipitation |
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| any form of water that falls from a cloud |
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| _ does not fall from a cloud |
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| water that condenses from the air onto a cold surface |
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| some clouds are made when water vapor turns into _ |
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| the higher the cloud the _ the air so ice crystals are probable |
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| _ air holds more water than _ air |
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| _ warms fast but cools fast so air near the _cools fast and can't hold water any longer |
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| _ is water vapor which is squeezed from the air |
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| _ can soak up water like a sponge but it also can queeze it out like a sponge |
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| _ needs a solid surface to settle on or collect on |
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| the temperature at which condensation begin |
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| _ is when water vapor in the air becomes a liquid |
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| _ is the temperature at wich water is squeezed out of the air |
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| _ form whenever air is cooled to its dew point and particles are present |
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| _ warms during the day air directly above _ is warmed the warm air absorbes _ |
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| warm air rises taking the h2o with is, when the rising air (_ _) reaches higher altitudes where the air is cold it reaches its dew point (_ _) the water vapor in theair condensates to form _ _ |
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| convection current - chilled temperature - liquid water |
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| if there are _ for the liquid h2o to settle on tint droplets of water form in the sky. These tiny droplets are called a _ |
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| when water dropletsget too big they fall from the sky as _ ( rain, snow, sleet) |
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| USA weather comes from the _ and moves across our country. The _ air is very moist and brings lots of rain and fog to the north CA, OR, and WA |
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| but when the moist air reaches the _ on the west coast and the Rocky mts. the air is pushed up to the top of the mountain where the air is _ so it snows at the top of the mountains and all water is lost |
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| the _ side of the mountain gets lots of snoe and rain |
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| the _ side gets none or very little rain or snow |
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| west side of the mountain is called the _ side of the mountain |
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| east side of the mountain is called the _ side of the mountain |
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| in the usa what type of land is on the leeward side of the rocky mountains? |
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| forms on th leeward side of a mountain - not many trees can grow |
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| clouds are classified into 3 main types: |
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| each type of cloud is associated by the _ they bring |
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| _ are fluffy, white cotton balls |
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| _ is a latin word that means rain |
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| you can attach _ or _ to any cloud that shows a threat of rain |
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| if the stratus thickens and darkens it becomes a _ |
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| _ produces rain, drizzle, or snow |
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| highest, formed from ice crystals |
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| _ can also be classified by their height |
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| _- no threat of rain; whole sky covered with light light gray clouds (overcast) |
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| _ is known as a thrunderhead or thunder cloudand produces lightning thunder and sometimes hail |
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| _ is a cloud that forms near the ground |
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| _ often forms at night when the ground cools off after a warm, humid day |
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| the _ condensates to form fog |
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| _ clouds form very high in the atmosphere above 6km |
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| how mant miles is 6km? multiply .6 |
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| _ cloud form below 2 km but grow 18 km high |
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| how many miles id 18 km __? 2 km __? |
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