Wegner continental drift core

plate tectonics boundary

mantle

fault convergent

oceanic

divergent transform

subduction convection

theory lithosphere

crust composition

continental

Vocabulary - Objective 3

Describe what would cause the earth’s land masses tosplit up into different pieces and move in different directions

Alfred Wegner & continental drift – what would be his evidence?

https://www.youtube.com/watch?v=cQVoSyVu9rk

http://www.youtube.com/watch?v=ryrXAGY1dmE

Convection – the heat of the earth moves outward

Plate Tectonics & plate boundaries:

Transform Boundary: sliding past

https://www.youtube.com/watch?v=ZxPTLmg0ZCw

Where else?

Divergent Boundary: opposite directions

A diver swims between the Eurasian and North American plates in Thingvellir lake, Iceland.

http://www.youtube.com/watch?v=t-ctk4KR-KU

Where else?

Convergent Boundary: collision subduction & uplift

http://www.youtube.com/watch?v=loFxYSHxTf0

Where else? Where

else?

https://www.youtube.com/watch?v=pq-JVocLiCQ (stop at 1:24)

http://www.history.com/topics/us-states/washington/videos/mount-st-helens-erupts MSH