Across
- 4. Farming.
- 5. An early ancestor of humans.
- 6. A strip of land connecting two continents.
- 8. Huge stones used for monuments
- 9. The way to change plants or animals to make them useful.
- 11. A group of people who share a common culture.
- 13. The middle f the stone age.
- 14. People who hunt animals and plants.
- 15. A device that helps you do something.
Down
- 1. The new stone age.
- 2. The first part of the stone age.
- 3. A time when the world had very cold weather.
- 7. To Move.
- 10. A relative who lived in the past.
- 12. The time before there was writing.
