Across
- 3. belief in a single god
- 5. a great invention that relies on an axle in the center
- 9. the first form of writing
- 12. more food than is needed
- 13. a complex society with cities and government
- 14. one of two rivers in Mesopotamia
- 16. one of two rivers in Mesopotamia
- 17. belief in multiple gods
- 18. a system that supplies water to farms
- 19. Neolithic farming village in southern Turkey
- 20. the place where we developed our first civilization
Down
- 1. the number of people who live in a place
- 2. a supply of organic things we can use as needed
- 4. a set of shared beliefs about supernatural powers
- 6. a government containing several countries or territories
- 7. change animal behavior to suit humans
- 8. farming
- 10. an ancient city in Mesopotamia
- 11. temple in Sumerian cities
- 15. when people spend most of their time working at a single job or craft