Crossword Puzzle, tectonic plates

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Across
  1. 3. When a convergent boundary has a plate that had more density than the other
  2. 5. When two plates move from each other which produces a gap
  3. 6. What divergent boundaries form
  4. 9. When two plates collide
  5. 10. The geological event that happens when transform boundaries slide past each other
Down
  1. 1. The transfer of heat that causes the movement of the tectonic plates
  2. 2. Earths crust that roughly fit and meet
  3. 4. There is a theory that these move around
  4. 7. When two plates slide past each other
  5. 8. What causes the heat that moves the tectonic plates