Across
- 1. The job dealing with rocks
- 3. Amount of time it takes to half
- 5. Cuts across, younger then the rock
- 7. The method that uses fossil dating laws
- 9. The method of radioactive dating
- 10. Preserved remnants of the past
Down
- 2. Youngest top, oldest bottom
- 4. In the rock = older
- 6. The optimal fossils for relative dating
- 8. The chemical used for absolute dating