Unit2 Physical Geography Flashcards
The 4 proofs of the continental drift theory are:
1) coastline fit
2) fossil correlation
3) geologic similarities
4) glaciation
Who’s J.Tuzo Wilison and what did he do ?
He’s a Canadian scientist who sparked new interest in the continental theory and developed the plate tectonics theory
What’s a volcano ?
A place on earth’s surface where molten rock,gases & explosive debris erupts through earth’s crust
What is magma and what is lava ?
Magma is molten rock from inside earth’s crust
Lava is flowing magma on earth’s surface
Definition of earthquake
A rapid shaking of the earth. After an earthquake comes an after shock
How old is the earth ?
About 4600 000 000 years old
What are the 3 types of rocks ?
~ igneous rock. ~ sedimentary rock. ~ metamorphic rock
What are the landform regions of Canada ?
1) Canadian Shield
2) interior plains
3) Great Lakes &St. Lawrence lowlands
4) Hudson Bay- Arctic lowlands
5) Appalachian Mountains
6) Innution mountains
7) western cordillera
What were the two theories Alfred wegener had ?
1) 300 million years ago the earths landmass collided into 1 continent
2) 200 million years ago the landmass broke ho and continents drifted into different continents we have today
Most tonic plates consist of what ?
Oceanic & continental crust
What are the 3 types of plate boundaries ?
Convergent ~ (collide/crash towards each other)
Divergent ~ (separate/pull apart)
Transform~ ( sliding)
What is the era we live in right now ?
Cenozoic era
What are the two geolocation theories?
Plate tectonics theory & the continental drift theory
What type of landforms is Canada made up of ?
Shield,highlands &lowlands, mountains, volcanoes & escarpments.
Which landform region is the smallest and most densely populated ?
Great Lakes - St.Lawrence lowlands
