1. History of the Earth How did we get here?

2. From Apollo 17

3. Physical Geology Mt. St. Helens

4. Historical Geology

5. History is Written in the Rocks

6. Lithosphere

7. Hydrosphere

8. Sunrise from the Shuttle Atmosphere

9. Biosphere

10. Cretaceous Connections

12. Geology ABC’s Minerals (Geologic Alphabet) Rocks & Fossils (Geologic Language) Strata (Layers) (Pages of the Book of Time)

14. Rusting of the Earth Snowball Earth

15. Origins of Life

16. Basilosaurus

17. Titanis & Hipparian

18. Why Study Historical Geology? Helps us understand our place in space and time Puts current environmental issues in context “Past is the Key to the Future” - Helps up predict impacts and find important resources

20. Geologic Time Scale