1. Discuss measuring earthquake size and include the differences between intensity and magnitude.

2. Explain the evidence for the age of Earth and why the oldest expected rocks will probably never be found.

3. How have new discoveries changed our knowledge about the extinction of dinosaurs?

4. Define: atoms, protons, neutrons, electrons, ions, and isotopes.

5. Describe the present status of earthquake prediction.

6. Explain the origin of gabbroic (basaltic), andesitic (dioritic), and granitic (rhyolitic) magmas

7. Compare and contrast mechanical and chemical weathering.

8. What are the contributing factors in mass wasting?

9. Give examples of sedimentary rocks that are considered valuable and the ways in which they are used.

10.How would you distinguish each of these sets of materials: (a) schist and gneiss, (b) slate and phyllite, (c) quartzite and marble, (d) granite and gneiss?

11. Using the geologist's definition of a stream as any body of running water, name and describe three ways in which a stream erodes its channel.

12. Explain what a drainage basin is, what a drainage pattern is, and how different patterns form.

13. What is the water table? Is it fixed in position? Is it really flat like a table?

14. What were the factors that contributed to the "Dust Bowl" of the 1930s?

15. Describe the formation and growth of glaciers.

16. Contrast the profile of summer and winter beaches, and indicate why the changes occur.

17. Contrast the geologic conditions responsible for the formation of coal and petroleum.