Keys to Civilization Crossword

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Across
  1. 5. A city with its own government.
  2. 6. Anno Domini means "In the year of the ______."
  3. 8. The Old Stone Age.
  4. 9. The _________ Crescent is a crescent shaped region in Western Asia which was home to some of the earliest civilizations.
  5. 12. The region of the world that we have been studying is located in the _______________ East.
  6. 13. An object made by humans with cultural or historical importance.
  7. 17. Around the time that something happens.
  8. 18. An expensive metal that gave its name to a new age of humankind.
  9. 19. A form of communication using symbols or letters to convey language or meaning is __________ language.
  10. 20. The human process of watering crops
Down
  1. 1. More food means that _______________ increases.
  2. 2. The New Stone Age.
  3. 3. Raising plants or taming animals for human use.
  4. 4. The land between two rivers.
  5. 5. To prepare and use land for crops or gardening.
  6. 7. The process of learning and becoming an expert at something.
  7. 10. A ranking system that puts people in different classes, orders, or groups is known as a social _____________.
  8. 11. A source that is an original document or object.
  9. 14. A person who hunts or looks for food on the ground is a Hunter ___________ .
  10. 15. A source that is a summary of an event that happened.
  11. 16. Having extra of something.
  12. 20. Mesopotamia is located in this modern country.