Crossword Puzzle

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Across
  1. 4. Universe
  2. 6. Volcano
  3. 9. Mercury
  4. 11. Venus
  5. 12. Earth
  6. 13. Jupiter
Down
  1. 1. Planet
  2. 2. Mars
  3. 3. Neptune
  4. 5. Earthquake
  5. 7. Flood
  6. 8. Uranus
  7. 10. Saturn