1. What is the nearest plate boundary to where you live? What kind is it? Use Figure 12.7 and Figure 12.11 for help.

2. What do rift valley lakes, volcanoes, and earthquakes have in common?

3. The rate of crust formation at mid-ocean ridges must be exactly equal to the rate of crust recycling at subduction zones. Is this statement true or false? Explain.

4. Are there mountains near where you live? If so, how were they formed? If you do not know, what kind of questions would you ask to determine how they were formed? Use Figure 12.33 for help.

5. Most hot spot tracks are straight, but some curve sharply. How would you explain a curved hot spot track?