Across
- 2. a scientist who studies genes and DNA
- 3. the time before written records
- 4. method of comparing the age of fossils or artifacts by their location
- 6. a scientist who studies the Earth’s history and physical materials
- 7. a person who studies Earth’s physical and cultural features
- 9. remains or imprints of things once alive
- 12. a person who studies the past through what people left behind
- 13. a person who studies language
- 14. the Iceman who lived about 5,300 years ago
- 15. an Ardipithecus fossil about 4.4 million years old
Down
- 1. a person who studies humans, culture, and behavior
- 5. method of determining age by measuring radioactive elements
- 8. scientific name for modern humans meaning “wise man”
- 10. a famous Australopithecus fossil about 3.2 million years old
- 11. early relatives of modern humans
- 12. an object made and used by humans
