Across
- 1. a person who is not free
- 5. an extra amount of something
- 7. exchange goods for other goods without using money
- 10. passing down knowledge through spoken word: ____ tradition
- 11. an advanced society
- 12. invade and control another civilization
- 13. a person who digs up ancient civilizations
- 14. things left behind
- 18. the ability to read and write
- 20. a story about gods or heroes
- 21. a system for watering crops
- 22. a person who wanders around
- 24. the process of taming and raising animals
Down
- 2. the growing of crops
- 3. a person who makes things by hand
- 4. the science of finding your location
- 6. a person who could write
- 8. a series of kings or queens from one family
- 9. around the time of
- 15. something made by humans
- 16. the remains of a destroyed city
- 17. a metal alloy made from tin and copper
- 19. the exchange of goods between civilizations
- 23. alphabet, cuneiform, or hieroglyphic systems of ________