GEO EXAM Flashcards
Map
a representation of the earths features drawn on a flate surface
most accurate way to portray the earth
globe
mercator
suited for navigation
peters
suited for accuracy
balance
robinson
1:50 000
1=distance on map 50 000=distance irl
rf scale
1:20 000 000
direct statement
1cm=200km
internation date line
runs through russia 180 degrees
prime meridian
runs through england 0 degrees
equator
just below skull, on the tip of south america
theory of continental drift
alfred wegner, pangaea
evidence of pangaea
jigsaw fit, rock formation, fossils, glacial flow
earths structure
crust, mantle, outer core, inner core,
lithosphere
makes up crust and upper mantle, divided into plates
asthenosphere
hot malleable semiliquid, under lithosphere
continental crust
under continents, 20-40 miles thick
oceanic crust
under ocean, 4-6 miles thick
3 boundaries
convergent-together-mountains
divergent-sliding apart-sea floor spreading
transform-sliding past-earthquakes
3 types of convergent boundaries
continental-continental-mountains
continental-oceanic-subduction-volcanoes
oceanic-oceanic-subduction-trenches
subduction
ocean plate is being pulled under another plate
convection current
what pulls plates around
climate
types of weather a place experiances over a long term
how latitude affects climate
different latitudes affect how much sun hits them which will make it warmer