Plate tectonic theory

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Across
  1. 3. what is thicker than the Oceanic crust
  2. 4. when 2 plates slide past each other its called a __ boundary
  3. 5. when 2 plates collide its called a __ Boundary
  4. 7. when 2 plates split apart its called a __ boundary
  5. 8. molten magma spews out of the earth crust
  6. 9. the person who discovered Pangea
Down
  1. 1. Magma rises from below the bottom of the ocean to create
  2. 2. the biggest layer of earth
  3. 4. molten magma underwater
  4. 6. What happens when transform plates happen and cause rumbling