Across
- 3. Exchanging goods
- 7. a change from one system to another
- 10. a piece of land between water that connects two bigger pieces of land
- 11. Old Stone
- 13. to tame animals for human use
- 14. A person that collects fruit, grains, and wild plants
- 15. A skilled worker
Down
- 1. farming
- 2. the study of past cultures
- 4. objects made by people long ago
- 5. people who travel from place to place
- 6. A person tracks and kills animals
- 8. New Stone
- 9. the time before written record
- 12. moving from one place to another to find better living conditions