Across
- 7. The process of changing plants or animals to make them useful to humans
- 9. The time before there was writing.
- 10. An early ancestor of humans.
- 11. The first part of the Stone Age when people first used stone tools.
- 12. huge stone monument
- 14. People who hunt animals and gather wild plants, seeds, fruits, and nuts to survive.
- 15. A relative who lived in the past.
Down
- 1. The middle part of the Stone Age marked by the creation of smaller, and more complex tools
- 2. Long periods of freezing weather.
- 3. A strip of land connecting two continents.
- 4. An object that has been modified to help a person accomplish a task.
- 5. new Stone Age where people learned to use fire and tools like saws and drills.
- 6. To move to a new place.
- 8. a community of people who share a common culture.
- 13. farming
