plate boundaries

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Across
  1. 3. plates moving laterally
  2. 7. movement of continents
  3. 8. less dense but bigger
  4. 10. containing crust and upper mantle
  5. 11. all continents together
  6. 13. crust going under crust
  7. 14. founder of continental drift theory
  8. 15. plates moving away from each other
Down
  1. 1. with and without subduction
  2. 2. underwater mountains
  3. 4. cooled magma moving ocean crust
  4. 5. black smoke and heated water
  5. 6. how the continents move
  6. 9. subduction against continent plate
  7. 12. more dense but smaller