Plate tectonics Crossword

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Across
  1. 5. stuff that gets shot out of volcanos
  2. 6. sudden and violent shaking on the ground
  3. 7. molten rock under the surface
  4. 10. how do rocks change from one thing to another
  5. 11. who made the plate tectonics theory
  6. 12. what forms from convergent boundaries
  7. 13. what happens to the eruption of a volcano if there is lots of silica
  8. 14. one supercontinent
  9. 15. when plates separate and move away from each other
Down
  1. 1. there are two types of ? one is continental
  2. 2. when plates slide past each other
  3. 3. what is the second-largest plate (we live on it)
  4. 4. when rocks come together to create a new rock
  5. 8. when plates move at each other
  6. 9. what is hawaii made of