Geogerphy Flashcards
Converge boundaries
One plate goes under the other
Diverge boundaries
two plates goes opposite ways
Transform boundaries
two plates move up and down sepertaly
IGNEOUS ROCKS
magma cools slowly underground- lava cools quickly on the earth surface.
Sedimentary rocks
made when sand, mud and pebbles get laid down in layers at the bottom of the ocean.
METAMORPHIC ROCKS
rocks are changed by heat and pressure deep underground
Interior Plains
Prairies low lying land( Flat sedimentary rock)
Appalachian mountains
rounded mountains. (very old)
Canadian Shield
rock, lakes, trees (IGNEOUS and METAMORPHIC rock)
Western Cordillera
Two plates convergent to make big pointy mountains. and Rockies/Coastal mountains made of SEDIMENTARY rock.
Arctic
MOUNTAINS, LOWLANDS and areas of CANADIAN SHIELD.
Great Lakes St lawrence lowlands
Hills, swamp, mountains.
Hudson Bay Lowlands
Swamp