kids
The Earthquake Resource Guide from Online PhD Programs - a good collection of earthquake information.
View animations and diagrams that will show you how the three different kinds of rocks are formed. A very good introductory site to the world of Geology
A brilliant strategy game based on finding oil using money left by a deceased Aunt. Uses a Java applet and comes linked with pages to do some reading before you start. From the American Geological Institute.
Some excellent Java applets that let you locate an earthquake using seismograph readings. The site may take some time to load but it is worth it.