3. Ch 21: Fossils and the Rock Record

4. According to the scientific community How old is the Earth? About 4.6 billion years old

5. What evidence does the scientific community have that supports this age? Rock layers Fossils Radiometric dating

6. Where is the oldest rock on Earth located? How old are they ? Western Green land between 3.7 – 3.8 billion years old Rocks 3.4-3.6 billion have been found in southern Africa, western Australia and the Great Lake region of north America

7. What type of rock are the oldest know rocks? Metamorphic

8. According to the bible How old is the earth? 6,000 years old

9. What evidence does bible believers have that supports this age? Irish Archbishop James Ussher (1581-1656) Used the Bible to come up with fairly precise dates for people and events mentioned in the Bible His calculations led him to determine that God created the universe on 23 October, 4004 BC

10. The answer is in Genesis! http://www.answersingenesis.org/articles/2007 /05/30/how-old-is-earth#fnMark_1_1_1

11. What do you think??

12. How much is a billion? IN CLASS ACTIVITY Create a timeline of human milestones from now to the earliest possible event.

13. ANY QUESTIONS?

14. Websites USGS Divisions of Geologic Time http://pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf Virtual Museum of Fossils Valdosta State University http://fossils.valdosta.edu/ Smithsonian Geologic Time http://paleobiology.si.edu/geotime/main/index.html