Across
- 3. a early ancestor of humans
- 7. huge stones used as monuments
- 10. the Middle Stone Age
- 11. to move to new places
- 12. when many places around the world began to experience long periods of freezing weather
- 13. a relative who lived in the past
- 14. a community of people who share a common culture
- 15. farming
Down
- 1. any handheld object that is modified to help a person accomplish a task
- 2. people who hunt animals and gather wild fruits,plants,seeds,and nuts
- 4. the first part of the stone age era,or Old Stone Age
- 5. a strip of land connecting two continents
- 6. the New Stone Age
- 8. the time before there was writing
- 9. the process of changing plants or animals to make them more useful to humans