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