plate techtnoics

12345678910111213141516171819
Across
  1. 2. the twisting of a rock
  2. 3. lava gets pushed up
  3. 5. an upside down U (arch)
  4. 13. the plates slide past each other
  5. 16. when the continents moved away from each other
  6. 18. when the plates pull apart
  7. 19. where all the lava comes from
Down
  1. 1. being pulled apart
  2. 4. continental drift plus sea floor spreading
  3. 6. causes the plates to move
  4. 7. when plates are pulled together
  5. 8. warm stuff rises and cool stuff sinks
  6. 9. it goes down and gets pulled back into the earth
  7. 10. shaped like a U
  8. 11. the name when all the continents were put together
  9. 12. the gaps between the two plates
  10. 14. when the plate goes under another plate
  11. 15. A force over an area
  12. 17. came up with continental drift but couldn't explain how it moved