science; water in the atmosphere – Flashcards
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Stewart B. McKinney Act 1987
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The act established a federal definition of homelessness and provided assistance to homeless people. It was the first legislative response to homelessness and established the continuum of care.
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movement of water between the atmosphere.
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water cycle
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the process by wich water molecules in liquid water escape into the air as water vapor.
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evaporation
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water vapor is also added to the air by
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living things
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process of breathing (animals)
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respiration
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(sweating)
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perspiration
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(give off vapor thru pores-leaves)
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transpiration
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hole
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pore
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full of holes.
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porous
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is any form of water that falls from a cloud.
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precipatation
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measure of amount of water vapor in the air.
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humidity
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the precentage of water vapor in the air compared to the maximum amount of the air compared to the maximum amount the air could hold is called
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relative humidity
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relative humidity is given as a
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precentage
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the amount of water vapor the air can hold depends on its
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temperature
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warm air can hold more than
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cold air
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measures relative humidity.
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psychrometer.
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______ form when _____ _____ in the air turns into ______ _____ or an ___ _______.
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clouds~water vapor~liquid water~ice crystal
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_____ are ___ water vapor.
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Clouds~NOT
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______ are _____ ________
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Clouds~water droplets
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process when molecules of water vapor become liquid.
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Condensation
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cold air holds ____ water vapor than ____ ___
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less~warm air
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as air _____ the amount of water vapor _________
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cools~decreases
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temperature at wich condensation begins
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dew point
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clouds are made up of millions of _____ ________ or ___ ________
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water droplets~ice crystals
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water vapor needs a _____ ________ on wich to condensate
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solid surface
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solids in the air:
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dust,salt,smoke (particles)
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water that condenses from the air onto a cold surface is called ...
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dew
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ice that has been directly deposited onto a cold surface
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frost
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______ form whenever air is _____ to its ___ _____ and particles are present.
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Clouds~cooled~dew point
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Clouds form when ____ air near the ______ collect _____ and rises,where it cools and water wapor ___________.
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warm~ground~vapor~condensates
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warm air rises in the ......
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convection current
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dew is not......
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precipatation it does not fall from the sky.
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frost is not....
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frozen dew.
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our weather usually comes from the....
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west.
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is usually the west side.
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windward
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is the dry side of a mountain-usually the eastern side.
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leeward
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place where very little rain falls.
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rain shadow
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deserts form on the _______ side of the mountain.
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leeward
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Meteorologists classify clouds into 3 main types:
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cumulus,stratus,cirrus
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clouds are classified by their....
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altitude
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each type of cloud is associated with a different type of......
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weather
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cumulus clouds usually indicate...
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fair weather
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cumulus clouds form at ____above the ground but can grow to_____
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2km.~18km.
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means rain
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nimbus or nimbo
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clouds that form in flat layers are called...
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stratus clouds
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blanket,layered,sread out
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strato
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stratus clouds can give you an ________ day.
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overcast
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stratus clouds can be the color of___________ wich will not produce ____.
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light gray~rain
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dark gray stratus clouds will most likely an ___ ___ _____ ____
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all day heavy rain.
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clouds that will produce rain or snow.
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nimbostratus clouds
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wispy,feathery clouds only form at high altitudes.form at 6km.
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cirrus clouds
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cirrus clouds are mostly made up of......
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ice crystals
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cirrocumulus clouds, wich look like rows of ______ _____,often indicate that...
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coton balls~a storm is on the way
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alto means
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high ex.altocumulus
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clouds that form at or near the ground is called.....
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fog
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fog often form near the...
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ground
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list the clouds from ground level up.
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fog,cumulus,stratus,nimbostratus,cumulonimbus, cirrus.
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stratus clouds completely cover the ___ most of the time.
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sky
