Across
- 3. the values and customs of a group
- 5. age old stone age
- 7. age time when much of Earth was frozen
- 11. the record of past events
- 12. a group that includes humans and close relative
- 14. study of things people left behind
- 15. a direct ancestor of modern humans
- 16. the time before humans left written records
- 18. dating measure radioactivity of artifacts
Down
- 1. scientist who studies beginning of man
- 2. high development with a government
- 4. no longer existing
- 5. source a first hand account of historical event
- 6. age new stone age
- 8. an object made for practical use
- 9. one who is an expert in history
- 10. a person who moves place to place
- 13. an object honoring a person
- 17. source someone who wrote when not there