orions super 67 41 puzzle

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Across
  1. 4. ancient civilization with the great wall
  2. 7. paper used in ancient egypt
  3. 9. God of sun
  4. 10. system that arranged people in ancient india
  5. 11. tall tower with hieroglyphs
  6. 13. thing that make up solid, liquids and gases
  7. 16. level of water through the day
  8. 17. process of mummification
  9. 18. ancient place with pyramids
Down
  1. 1. mesopotamia had the first of it
  2. 2. eclipse of the moon and earth
  3. 3. built as tombs for the pharoahs
  4. 5. eclipse with the moon and sun
  5. 6. ancient civilization
  6. 8. holds the planets
  7. 10. stars arranged that look like something
  8. 12. biggest river in the world
  9. 14. age that king tut died at
  10. 15. died at 19 and was the youngest pharoah