Across
- 3. a period of time whenever there were written records
- 4. sites a place where archaeologists are digging looking for clues of human existence
- 7. a prehistoric period during which stone was used to make simple tools
- 9. the evidence in rock of the presence of a plant or animal from an earlier geological period
Down
- 1. a member of a nomadic people who live hunting, fishing, and harvesting wild foods
- 2. the study of human activity with what was long ago
- 5. an object made by a human being typically an item of cultural or historical intrest
- 6. people or animals that are always moving for food
- 8. a device or implement