Plate Tectonic Crossword Puzzle

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Across
  1. 2. Causes earthquakes
  2. 7. A type of boundary that move towards each other
  3. 8. person who proposed the idea of seafloor spreading
  4. 10. what causes tectonic plates to move
Down
  1. 1. rises up during a divergent boundary, forming volcanoes
  2. 3. person who gave the theory of continental drift
  3. 4. A type of boundary that move away from each other
  4. 5. the amount of main boundary there are
  5. 6. _____ is more dense than continental
  6. 9. A zone where the more dense one goes under the less dense one