[Free Registration/Login may be required to access all resource tools.] Discusses tidal waves, and how they can very quickly form and cause damage.

From the Mad Scientist Network web site. Using a question and answer format, this page describes some potential effects of a nuclear explosion. The possibilities of tidal waves, earthquakes and radiation-related damages are discussed.

Learn what renewable energy is, the different types, and why it's important to conserve energy.

This site is a very simple overview of plate tectonics. It includes a map of all the major plates and a diagram of the layers of the earth.