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