1. Name the theory that explains Earth's topography and much more.

2. What is the underlying mechanism for plate tectonics?

3. Name and give the geological features of each of the five types of plate boundaries.

4. What are hotspots, and how did a hotspot create the Hawaiian Islands?

5. How and where do explosive versus "blooping" volcanoes occur?

6. How do oceans versus continents form?

7. Where do most earthquakes and volcanoes occur?