1. How did Columbus use the planetary wind system on his voyages to the New World and back?

2. What was the role of loess in Napoleon’s defeat at Waterloo?

3. Write cross-word definitions for: barchan, erg, ventifact, yardang.

4. Explain the elastic rebound theory for earthquakes.

5. Explain two kinds of seismic evidence for a core within the earth.

6. Iran has many natural earthquakes. Explain how seismologists can distinguish an underground A-bomb test from an earthquake. 7. Compare and contrast quartz sandstone and quartzite.

8. What are three distinct causes of metamorphism?

9. Plan a laboratory experiment to study the conversion of limestone to marble.

10. Describe the relative motion at three kinds of plate boundry.

11. Explain two ways that rocks can become magnetized.

12. Explain the kinds of evidence supporting the concept of Pangaea (or Gondwanaland).