Questions:
1. Give a few examples if what geologists have learned about Earth's interior by studying volcanoes and volcanic rocks.
2. Why are eruptions of stratovolcanoes generally more explosive than those of shield volcanoes?
3. Why are the volcanoes on the northwestern side of the island of Hawaii dormant whereas those on the south eastern side are more active?
4. Taking into account the possibility of false alarms, reduction of casualties, mass hysteria, economic depression, and other possible consequences of earthquake prediction, do you think the objective of predicting earthquakes should have a high priority?
5. Describe in your own words what causes an earthquake to occur.
6. Describe each of the three major types of earthquake waves.