Plate Tectonics Crossword Puzzle

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Across
  1. 5. when 2 plates collide with each other
  2. 9. the theory of plate movements
  3. 10. when 2 plates separate from each other
  4. 11. This is a land form created by a convergent collision.
  5. 13. The type of crust on continent floors.
  6. 14. what causes plates to move
  7. 15. when 2 plates slide past each other
  8. 16. An American geologist who came up with the theory of seafloor spreading.
  9. 18. This is a land form created by divergent continental plates.
  10. 19. The movement of the Earth over millions of years.
Down
  1. 1. The most dense layer of the Earth.
  2. 2. when one plate goes beneath another plate
  3. 3. The theory of how crust is being created and recycled.
  4. 4. The type of crust on ocean floor
  5. 6. A layer of the Earth that is below the lithosphere and also known as the mantle.
  6. 7. This is a land form created by a convergent subduction.
  7. 8. A layer of the Earth consisting of the crust and upper mantle.
  8. 12. This is a land form created by transform boundaries.
  9. 17. A German Scientist who came up with the theory of continental drift.