Across
- 5. middle stone age
- 7. a relative that lived in the past
- 9. the stone age or era
- 10. farming
- 13. people who hunt and gather plants to survive
- 15. makes task more efficient and easier
Down
- 1. to make a animal or plant to be more useful
- 2. new stone age
- 3. history that wasn't recorded
- 4. to move
- 6. a group of people who share the same culture
- 8. a strip of land that connects to another continent
- 11. sheet of ice that covered a part of the world for a period of time
- 12. rocks to worship gods
- 14. early ancestor of human
