Across
- 2. new stone age
- 6. study of ancient specimens
- 7. ten years
- 9. bronze weapons and tools emerge
- 13. study of wealth
- 14. study of ancient sites
- 15. geographic representation of the earth from above
Down
- 1. devices used to assist
- 3. period of extreme cold
- 4. those who wander for food
- 5. one hundred years
- 8. cultivating crops
- 10. study of the earth
- 11. old stone age
- 12. one thousand years