Across
- 3. A black volcanic glass used to make points
- 5. The name of a cave in France filled with famous cave paintings
- 6. "The land between the rivers"
- 9. New Stone Age
- 11. The oldest arrowheads found in the Americas
Down
- 1. A large, wooly, extinct megafauna
- 2. A large, extinct mammal that left footprints in White Sands, New Mexico
- 4. Old Stone Age
- 7. The social structure of Paleolithic communities in which everyone was equal
- 8. The Middle Stone Age
- 10. The body of water that used to be spanned by a land bridge which people crossed over to get to the Americas
