1. Modern Concepts in Earth Science Course 2 – Timing and the Geologic Record

2. Modern Concepts in Earth Science Stratigraphic Principles - Lateral Continuity

3. Modern Concepts in Earth Science Younger Principle of Superposition

4. Modern Concepts in Earth Science Cross-cutting Relationships

5. Modern Concepts in Earth Science Angular Unconformity

6. Modern Concepts in Earth Science Disconformity

7. Modern Concepts in Earth Science Nonconformity

8. Modern Concepts in Earth Science Grand Canyon

9. Modern Concepts in Earth Science Seismic Stratigraphy

10. Modern Concepts in Earth Science Index Fossils

11. Modern Concepts in Earth Science Ammonite Fossil

12. Modern Concepts in Earth Science Fossil Pollen (Palynology) Fossil Pollen Electron Microscopy - Different Types of Pollen

13. Modern Concepts in Earth Science Radioactive Decay - The Atom

14. Modern Concepts in Earth Science Types of Radioactive Decay

15. Modern Concepts in Earth Science Radioactive Decay Curve

16. Modern Concepts in Earth Science Absolute Dating by Radioactive Decay

17. Modern Concepts in Earth Science Accretion of a buoyant fragment to a continent Evolution of the continents

18. Modern Concepts in Earth Science Accretion of an Island Arc to a Continent Evolution of the continents

19. Modern Concepts in Earth Science Accretion Along A Transform Fault Evolution of the continents

20. Modern Concepts in Earth Science Accretion by Continental Collision and Rifting Evolution of the continents

21. Modern Concepts in Earth Science Evolution of the continents