Plate Motion Crossword Puzzle

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Across
  1. 4. an underwater mountain range formed when two plates move apart
  2. 6. moving toward the same place
  3. 7. a long, deep indentation in the ocean floor formed when two plates move together
  4. 9. one of the very large sections of hard, solid rock that make up Earth’s outer layer
  5. 11. something we observe to be similar over and over again
  6. 12. a diagram that shows what the inside of something looks like
Down
  1. 1. an extinct reptile that lived about 300 million years ago
  2. 2. boundary the place where two plates meet
  3. 3. moving apart in different directions
  4. 5. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
  5. 8. a sudden shaking of Earth's surface
  6. 10. the layer of soft, solid rock underneath Earth's plates