Tectonic plates Flashcards
1
Q
What are tectonic plates
A
Large rock slabs that make up the earths crust
2
Q
whats the continential drift theory
A
When all continents all joint together at one stage then broke apart,
3
Q
Whats Pangea
A
The idea that all continents were joint together
4
Q
Evidences of continential drift theory
A
- Simular rocks
- Megnetic pole reserval
- mountains line up
- simular fossils
- Glacier scratches
- join together like a jigsaw
5
Q
Convection currents
A
Rising hot magma pushes through the crust and creates an underwater bridge