Tectonic plates

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Across
  1. 1. One plate moves under the other
  2. 4. Earth's outer layer
  3. 6. Molten rock beneath the surface
  4. 8. Plates move next to each other horizontally
  5. 9. Fracture in earths crust where rocks move
Down
  1. 2. Plates move away from each other
  2. 3. Underwater mountain chain at plate boundary
  3. 4. Plates move toward each other
  4. 5. Sudden ground shaking
  5. 7. Area where plates pull apart