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Science - ch. 8

weather

QuestionAnswer
a scientist who studies weather meteorologist
basic cause of all weather sun
natural function of the atmosphere in preventing the earth's heat from escaping to space greenhouse effect
air we live receives its warmth second-hand from the ground
an imaginary line running through the earth from the north pole to the south pole axis
different season's on the earth are a result of what? earth's tilt
an imaginary line circling the earth midway between the north and south poles equator
half of the earth's surface north of the equator northern hemisphere
half of the earth's surface south of the equator southern hemipshere
in summer, how does solar energy strike the earth? directly
in winter, how does the solar energy strike the earth? at a slant
how are winds produced? temperature differences found on the earth
which is lighter? warm air or cool air? warm air
air rises when it is what? warm/hot
air always flows away from a region of what pressure to what pressure? high to low
the earth spins at how many miles per hour in order to keep up with a 24 hour day? 1,000 miles per hour
major wind system near the equator tradewinds
major wind system at north and south pole polar easterlies
major wind system in between equator and the poles prevailing westerlies
what can hold more water vapor? warm air or cold air? warm air
the amount of water vapor in the air humidity
the amount of water vapor that the air can hold at a given temperature relative humidity
what happens when relative humidity reaches 100%? air becomes saturated
dew point lowest possible temperature at which air is able to hold all of its water vapor
the process in which water vapor leaves the air and changes into liquid condensation
dew water vapor that condenses and form liquid water on the ground
frost wator vapor that condenses and forms frozen water on the ground
Created by: kdeangelo
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