Plate Tectonics Crossword Puzzle

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Across
  1. 3. molten rocks
  2. 4. the innermost layer of the earth
  3. 5. movement of lithospheric plates
  4. 7. consist of crust and upper mantle
  5. 8. borderline
  6. 9. Earth's crust that is thinner but denser
Down
  1. 1. Mt.Pinatubo
  2. 2. the break in a rock along which movement occurred
  3. 6. vibration of the Earth