Mysteries of Ancient Past

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Across
  1. 3. a preserved dead body
  2. 6. objects made and used by humans from a long time ago
  3. 8. a scientists that studies the way people lived in the past and the objects they left behind
  4. 9. important to someone in a personal way / worth a lot of money
  5. 13. a box in which a dead person is buried
  6. 15. to make a hole in the ground
  7. 16. something that is very special or important (such as money, jewels, gold)
  8. 17. extremely old
  9. 20. a lot of money and possessions
  10. 22. to put something into a hole in the ground and cover it
Down
  1. 1. a place to bury a dead person
  2. 2. difficult to explain; strange
  3. 4. the act of finding or learning something for the first time
  4. 5. a society with cities, a government, jobs, and social classes
  5. 7. you are sure that you will do something and that nothing will stop you
  6. 10. 10 years
  7. 11. to bring things or people together into a group
  8. 12. to look for something carefully
  9. 14. not far away
  10. 18. pieces of information that lead to a solution
  11. 19. to close something so that nothing can get in or out
  12. 21. to surprise, amaze or upset very much