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20 terms

chp. 3 Terms

part 1 of study guide
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Weather
the condition of the atmosphere in one place during a limited period of time
Climate
the term for the weather patterns that an area experiences over a long period of time
Axis
an imaginary line running from the North Pole to the South Pole through the planet's center
Temperature
the measure of how hot or cold a place is
Revolution
trip around the sun
Equinox
equal night
Tropical of Cancer
northernmost latitude 23½° N
Solstice
marks the beginning of summer in the Northern Hemisphere
Tropic of Capricorn
southernmost latitude 23½° S
Greenhouse effect
traps the sun's energy for growing plants even in cold weather
Global warming
believed to be caused by human activities (such as burning of coil, oil, and natural)
Low latitudes
between 30° S and 30° N latitude
High latitudes
60° N to 90° N and from 60° S to 90° S
Arctic circle
latitude 66½° N
Antarctic circle
latitude 66½° S
Midlatitudes
between 30° N and 60° N in the Northern Hemisphere and between 30° S and 60° S in the Southern Hemisphere
Prevailing winds
global winds blow in fairly constant patterns
Coriolis effect
causes prevailing winds to blow diagonally rather than along
strict north
south or east-west directions
Doldrums
global winds that are diverted north and south, leaving a narrow, generally windless band