Plate Boundaries

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Across
  1. 2. Movements Convection currents
  2. 5. Wegener discovered continental drift
  3. 8. energy in the mantle
  4. 11. crust is formed
  5. 12. boundaries continental
  6. 13. crust a thin layer of crust
Down
  1. 1. forms on the continent
  2. 3. boundaries sliding past one another
  3. 4. Hess discovered seafloor spreading
  4. 6. causes hotter magma to
  5. 7. boundaries creating a mid-ocean
  6. 9. causes cooler magma to
  7. 10. crust a layer of rock formed by continent