Plate Tectonics Flashcards
1
Q
What is Pangea?
A
A super continent where all land was joined together
2
Q
What are plates ?
A
A slab of rock
3
Q
What is the plate tectonic theory ?
A
When they put wegeners and hess’s ideas together that world was one big slab of rock called plates
4
Q
What are Convection currents ?
A
Rising and falling of magma in the mantle due to the heat from the core.
5
Q
What is the continental drift ?
A
The idea that the continents move closer or further away from each other
6
Q
What is Sea-floor spreading?
A
When the earths tectonic plates spilt apart , allowing new crust to form
