Shifting Ground: A Plate Boundary Puzzle

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Across
  1. 3. The process by which plates move
  2. 5. A boundary where one plate dives under another
  3. 7. The giant, rigid slabs that make up Earth's crust
  4. 9. The shaking of the ground caused by movement along plate boundaries
Down
  1. 1. A boundary where one plate slides past another
  2. 2. A boundary where plates move apart
  3. 4. When plates push together, mountains can form here
  4. 6. Molten rock that erupts from volcanoes, often found near plate boundaries
  5. 8. Massive wave caused by an underwater earthquake
  6. 10. Deep valley that forms where plates move apart