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What did Alfred Wegner discover?
Continental Drift
What did Henry Hess discover?
Ocean depth
How did Henry Hess discover ocean depth?
Sound Sonar
Mountain like structure in the ocean
Mid oceanic ridge
Is the ocean floor flat?
Yes, and No
What does Pangea stand for?
All lands
Until the second world war, most people believed the ocean floor was ________
Flat
Label the earths layers in order
Crust, Mantle, Outer Core, Inner Core
The Atlantic Ocean is going to __________ and the Pacific Ocean is going to __________
Shrink / Grow
What is the cause of the "mountains" in the ocean floor
New floor is created and old floor is pushed up
What did Alfred Wegner call the single land mass?
Pangea
