Crossword

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Across
  1. 4. Gases surrounding earth
  2. 6. Earth
  3. 9. When plates separate
  4. 10. When plates slide past each other
  5. 11. Living things
  6. 12. After the inner core
Down
  1. 1. Hard, Solid rock
  2. 2. Long deep indentation in ocean floor when plates move together
  3. 3. When plates collide
  4. 5. Soft, Solid rock
  5. 7. Super Continent
  6. 8. Water