Unit 1 Flashcards
To help study for the final
Great Circle Route
Shortest distance between 2 points on a map or globe
23.5 degrees
Tilt of earth’s rotational axis
365.25
Earth’s orbital period
Arctic Circle
66.5 degrees
Equinox
Half way between summer and winter; Sun’s rays over equator
Equator
0 degrees longitude
Solstice
longest day; suns rays over tropic
Greenwhich England
start of timezones; prime meridian runs through it
Tropic of cancer
above equator
Tropic of Capricorn
below equator
Winter solstice
Dec 21
Summer solstice
June 21
International Date Line
180 degrees
North Pole
90 degrees north
South Pole
90 degrees South
Plateu
elevated plane
Archipelago
group of islands
Desert
defined by the amount of precipitation
Canyon
deep narrow valley
Delta
forms at the mouths of river, triangular in shape
Inlet
harbor/bay
Isthmus
land bridge
strait
narrow waterway connecting 2 larger bodies of water
valley
lowland between hills/mts