Geography Unit 3 Flashcards
Convergent boundary?
2 plates collide and one eventually slides under the other.
Divergent boundary?
2 plates move away from eachother.
Transform boundary?
2 plates slide past eachother.
tectonic plate?
gigantic peice of earths crust that cracked.
weathering?
the breaking down or dissolving of rockd and minerals.
erosion?
water,wind, and other natural forces causing rocks and earth to wear away.
lava?
molten rock that comes from volcanoe
magma?
hot iquid and semi liquid ock under earths surface
deposition?
the laying down of sediments carried by wind,water, or ice.
climate change?
long term shifts in temp and weather patterns.
coniferous trees?
have cones and needles instead of leaves.
decidious trees?
shedding its leaves annualy.
igneous rock?
when hot molten cools and solidifies.
sedimentary rock?
igneous rock turnes into sediments then i compacted into sedimentary.
metamorphic rock?
when rock is subjected to high heat and pressure.
humus?
dark organic material that forms in soil when plant and animal matter decays.
climate graph?
average temp and rain ina ayear in an area.
moraine?
material left behind by moving glaciers.
kettles lake?
water filled hole by receding glaciers that formed millions of years ago.
drumlin?
oval shaped hill composed of glacil drift formed beneath a gacier on ice sheet.
what bounbdary would you see mountains on?
convergent
where are most divergent plates located?
underwater
what could trabsform boundaries have?
fault lines and rift vallys.
what province has highest risk of earthquakes?
british colombia