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webquest test
Question | Answer |
---|---|
a large volume of air in the atmosphere that is mostly uniform in temperature and moisture | airmass |
what is the difference between a continental air mass and a maritime air mass | continental air masses form over land and are dry. Maritime air masses form over water and are humid |
what is the difference between polar air masses and tropical air masses | polar air masses take shape in high-lattitude regions and are cold. Equatorial air masses form near the equator and are warm |
what air mass affects Louisiana the most and where does it form | mT; maritime tropical; in the Gulf Of Mexico |
what is high pressure | generally associated with nice weather |
what is low pressure | generally associated with cloudy, rainy, or snowy weather |
how does air move | from high pressure to low pressure |
what are the global winds | easterlies, westerlies, trade winds |
what happens to winds in the northern hemisphere as a results of the coriolis effect | deflected to the right |
what happens to winds in the southern hemisphere | deflected to the left |
why does the ball no roll straight across the merry-go-round | the ball deflects the direction of the merry-go-round |
why does descending air not allow for clouds to form | the air sinks bc it is high pressure |
why does ascending air allow for clouds to form | as the air rises it cools, condenses, forms clouds, and rains bc it is low pressure |
what is the direction around a high pressure system of wind motion | clockwise |
what is the direction around a low pressure system of wind motion | couterclockwise |
the area where two air masses with different temperatures and densities collide, but do not mix | weather front |
in a cold front which air mass is doing the pushing | the cool air |
in a cold front what forms when the warm air gets pushed "up" by the cold air | clouds |
in a cold front what kind of clouds form at the frontal boundary | cumulas and cumulonimlous |
in a cold front what weather is associated with this cloud type | rain, wind, and thunderstorms |
in a warm front which air mass is doing the pushing | warm air |
in a warm front what forms when the warm air rides "up" over the cold air | clouds |
in a warm front what kind of clouds form at this frontal boundary | scattered clouds |
in a warm front what kind of clouds are at the very front edge of this boundary | cirrus |
which frontal boundary will thunderstorms develop | cold front |
along which frontal boundary will all-day rain occur | warm front |
what happens at a stationary front | the cool and warm air meet, but neither are strong enough to move |