watching the weather
Help!
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| a scientist who studies weather | meteorologist
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| basic cause of all weather | the sun
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| air we live in receives most of its warmth | from the ground
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| imaginary line running through the earth from the North Pole to the South Pole | axis
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| reason for the earth's seasons | tilt
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| an imaginary line circling the earth midway between the North and South poles | equator
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| the reason why winds are produced | temperature differences found on the earth
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| warm air is ____________ that cooler air | lighter
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| how fast the earth travels per hour to keep up with a 24 hr. day schedule | 1,000
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| the amount of water vapor that the air can hold at a given temperature | relative humidity
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| the lowest possible temperature at which air is able to hold all of its water vapor | dew point
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| the process in which water vapor leaves the air and changes into liquid water | condensation
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| water vapor that condenses to form liquid water on the ground | dew
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| water vapor that condenses and forms frozen water on the ground | frost
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| single large unit of air with uniform temperatures and humidity characteristics is called a ____________ | air mass
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| boundary between 2 air masses | front
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| warm air pushing cold air | warm front
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| cold air pushing warm air | cold front
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| puffy, bulgy cloud, occur in good weather | cumulus
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| layer or flat clouds, low blanket or sheet, are a sign that rain is approaching | stratus
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| wisp or curl, occur at very top of atmosphere, made of very small ice crystals | cirrus
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| ground level cloud | fog
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| term used to describe a cloud from which rain is falling | nimbus
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| an ice crystal in a cloud that becomes too heavy, falls, melts, and lands on the earth as liquid water | rain
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| falling ice crystals that melt slightly, stick, and freeze together into snowflakes | wet snow
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| falls when the temperature of air is well below freezing does not melt and stick together to form large, wet snowflakes | dry snow
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| falling ice crystals that melt into raindrops, then refreeze and land on earth as tiny pieces of ice | sleet
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| falling ice crystals melt, hit the earth as liquid rain, but refreeze as soon as they land | freezing rain
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| another name for a cumulonimbus cloud which produces a thunderstorm | thunderhead
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| small pieces of ice is tossed up and down inside a cloud, forming several layers of ice, until it is too heavy and falls to the ground | hail
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| produced by very tall clouds such as cumulonimbus | lightning
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| occurs when opposite electric charges build up | lightning
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| zigzags downward from a cloud. It is a thin channel of charged air through which the lightning bold can travel | step leader
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| superheated air expands rapidly, causing sound waves we hear as ... | thunder
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| lightning bolts that don't touch ground, stay inside cloud, bright flash | sheet lightning
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| type of storm that packs most destructive power into the smallest space | tornado
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| calm region of extremely low air pressure | eye
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| occurs when a tornado has been spotted | tornado warning
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| row of cumulonimbus thunderheads that builds up to form a ___________ line | squall
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
kdeangelo