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Continental Drift

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