Across
- 1. Remains of plants or animals preserved in rocks.
- 4. The practice of growing crops that led to settlement of humans
- 5. The study of the human past.
- 7. The calendar used widely across the world today.
- 9. Period of 100 years.
- 10. A line showing events in chronological order.
- 12. Writings carved on stone or metal plates.
Down
- 2. Anything that gives us information about the past.
- 3. Early humans mainly worked as
- 6. A very cold period when much of the Earth was covered in ice.
- 8. A person who studies remains by digging.
- 11. Period of 1,000 years.