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Plate Tectonics (Boundaries (convergent (Three more types of convergent…
Plate Tectonics
Boundaries
transform
two plates slide past eachother
convergent
"collide"
plates crash into eachother
Three more types of convergent boundaries
continental crust made of silica
oceanic crust made out of metals
divergent
"divide"
Move away from eachother
Hot Spots
just the plate tectonics move not the hot spot
never move
How does it work?
The theory that the earth is made of plates
we are concerned about the boundaries
Continental drift
Pangaea
broke up once was all together
Wegener could not explain how it moved away from pangaea
could only explain evidences now and not how it split up