Across
- 6. farming
- 10. middle stone age
- 13. early ancestor of humans
- 14. freezing times
- 15. a relative who lived in the past
Down
- 1. people who hunt animals and gather wild plants
- 2. the process of changing plants and animals to make them more useful to humans
- 3. to move
- 4. first part of the stone age
- 5. huge stones put as monuments
- 7. time before there was writing
- 8. new stone age
- 9. a handheld object that has been modified to help a person complete a task
- 11. strip of land connecting continents
- 12. a community of people who share a common culture