Across
- 3. a scientist who studies things left behind by early people
- 5. a systematic way of digging up fossils and artifacts
- 7. a person who studies human behavior and culture
- 9. a time when the earths surface was covered in ice
- 10. the movement of people, goods, and ideas from one place to another
- 11. remains of a once living thing
- 12. non-living things left by early people
- 14. a system for moving water to land
Down
- 1. a time before written records
- 2. breeding and taming animals for personal use
- 4. to change to survive in your environment
- 6. farming
- 8. a person who moves from place to place in search of food
- 13. a scientific method used to determine how old something is