E.8 Plate techtonices Flashcards
1
Q
What i the thoery of techtonic plates?
A
The lithosphere is broken up into lrge areas called plates
2
Q
What is a diverging boundary
A
Two of Earths plates are movining apart, Lava flows from the ridge to form new oceanic crust
3
Q
What is a converging boundary?
A
Plates are moving toward each other, Causes the formation of mountains and trenches
4
Q
What is subduction?
A
When the plates push together,The heavier, thiner crust is forced down below the lighter, thicker continental crust
5
Q
What is a transfrom boundary
A
Plates slide sideways past each other. Eathquakes occur here
6
Q
How have scientists determined the boundaries of techtonic plates?
A
By looking at patterns and locations of volcanos, earthquakes, oceanic trenches, oceanic ridges
