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wind
warm, less dense air rises
cool, dense air sinks
large circular patterns of moving air
movement of air cause by differences in air pressure
convection cells
warm, less dense air rises
cool, dense air sinks
large, circular patterns of moving air
movement of air caused by differences in air pressure
low pressure area
warm, less dense air rises
cool, dense air sinks
large, circular patterns of moving air
movement of air caused by differences in air pressure
jet stream
bands of high and low pressure found about every 30 degrees of latitude
the curving of a path of a moving object from an otherwise straight path due to Earth's rotation
winds that blow from east to west between 60 and 90 degrees latitude in both hemispheres
narrow belts of strong winds that blow in the upper troposphere
Coriolis Effect
bands of high and low pressure found about every 30 degrees of latitude
the curving of a path of a moving object from an otherwise straight path due to Earths rotation
winds that blow from east to west between 60 and 90 degrees latitude in both hemispheres
narrow belts of strong winds that blow in the upper troposphere
Polar Easterlies
bands of high and low pressure found about every 30 degrees of latitude
the curving of a path of a moving object from an otherwise straight path due to Earth's rotation
winds that blow from east to west between 60 and 90 degrees latitude
narrow belts of strong winds that blow in the upper troposphere
prevailing westerlies
winds that blow from west to east between 30 and 60 degrees latitude in both hemishpheres
winds that blow from 30 degrees latitude almost to the equator in both hemispheres
area around the equator where there is very little wind ("dull", "sluggish")
area around 30 degrees latitude in both hemispheres where there is very little wind
horse latitudes
winds that blow from west to east between 30 and 60 degrees latitude in both hemispheres
winds that blow from 30 degrees latitude almost to the equator in both hemispheres
area around the equator where there is very little wind ("dull", "sluggish")
Regions of high pressure and gentle winds at 30 degrees north and south latitude
trade winds
winds that blow from west to east between 30 and 60 degrees latitude in both hemispheres
winds that blow from 30 degrees latitude almost to the equator in both hemispheres
area around the equator where there is very little wind ("dull", "sluggish")
area around 30 degrees where there is very little wind
Inter Tropical Convergent Zone
winds that blow from west to east between 30 and 60 degrees latitude in both hemispheres
winds that blow from 30 degrees latitude almost to the equator in both hemishperes
Equatorial Zone where sailing ships were often left without wind
Regions of high pressure and gentle winds at 30 degrees north and south latitude.
Katabatic Wind
cool mountain air moves down a mountain slope towards a valley
warm air rises up a mountain slope from a valley
cool land air flows to the ocean at night, causing warm ocean air to rise
cool ocean air flows to land during the day, causing warm land air to rise
sea breeze
cool mountain air moves down a mountain slope towards a valley
warm air rises up a mountain slope from a valley
cool land flows to the ocean at night, causing warm ocean air to rise
cool ocean air flows to land during the day, causing warm land air to rise
land breeze
cool air moves down a mountain slope toward a valley
warm air rises up a mountain slope from a valley
cool land air flows to the ocean at night, causing warm ocean air to rise
cool ocean air flows to land during the day, causing warm land air to rise
Foehns
warm, dry winds that travel down the mountains
upslope movements of air; happens during the day
areas of continuously wild weather around 16 degrees north and 16 degrees south
seasonal change in wind direction
Monsoon Effect
Wind that blows from forest to the field or open terrain
upslope movements of air; happens during the day
seasonal change in wind direction
warm, dry winds that travel down the mountains
Coriolis Force affects
speed
speed and direction
direction
direction and temperature
In the northern hemisphere, winds curve _________
left
right
up
down
Polar Cells
winds that blow from the SE between 60 degree and the poles
Cells of air circulation occurring between 30 degrees and 60 degrees
Cells of air circulation occurring between the equator and 30 degrees
Cells of air circulation occurring between 60 degrees and the poles
Coriolis force is strongest at the
Equator
Poles
30 degrees latitude
60 degrees latitude
The sun ___________ heats much of the earth.
optionally
linearly
equally
unequally
Hadley Cells
the convection cell between 30 degrees to 60 degrees north and south latitude
Prevailing winds that blow from east to west between the equator and 30 degrees latitude
the convection cell between the equator and latitude 30 degrees
areas of continuously wild weather around 16 degrees north and 16 degrees south.
Jet Streams are strongest at the
beginning
center
end
mesosphere
Wind speed can be measured with a ____________.
Barometer
Anemometer
Thermometer
Sphygmomanometer
In general, how are winds named?
They are named after the scientist who discovered them
They are named for the direction TOWARDS which they flow
They are named for the direction FROM which they flow
Why do weather systems generally move from west to east across the U.S.?
US is near the equator
US is in the central time zone
US is in the zone of the easterlies
US is in the zone of the westerlies
_____________ drives all weather across the globe.
Tides
Seasons
Moon
Wind
A type of Foehn; a very dry and often dusty wind that blows in Southern California; Can spread wildfire
Chinook
Santa Ana
San Andreas
Western Foehn
Cyclones in the Northern Hemisphere rotate
clockwise
around the orbit
around the earth
counterclockwise
Cyclones in the southern hemisphere rotate ___________
clockwise
around the earth
around the poles
counterclockwise
areas of continuously wild weather around 16 degrees north and 16 degrees south.
Polar Highs
Polar Lows
Jetstream
Doldrums
Anabatic
cool mountain air moves down a mountain slope towards a valley
cool air moves up a mountain slope from a valley
cool land air flows to the ocean at night, causing warm ocean air to rise
cool ocean air flows to land during the day, causing warm land air to rise
A type of Foehn on the eastern side of the Rocky Mountains
Chinook
Santa Ana
San Andreas
Mountain Foehn
A system of winds rotating inward to an area of low atmospheric pressure
Tsunami
Cyclone
Jet Stream
Anticyclone
A system of winds with high atmospheric pressure at its center, around which air slowly rotates
Tsunami
Cyclone
Jet Stream
Anticyclone
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