Plate tectonics Crossword Puzzle

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Across
  1. 4. Boundary, where the tectonic plates pull away from each other
  2. 5. separation when tectonic plates separate from each other
  3. 7. drift when the tectonic plates split up Pangea
  4. 8. boundary When the two tectonic plates move in opposite directions
  5. 9. Valley when two tectonic plates collide and create a tiny mountain together in a valley underwater
Down
  1. 1. zone when the earth recycles the lithosphere
  2. 2. boundary is the area where a certain kind of tectonic plate can be noticed
  3. 3. collision when two tectonic plates collide with each other
  4. 6. trench when the plates diverge and create a giant valley under the ocean