Other
University of Delaware: Plate Tectonics
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.
Other
University of Wisconsin Green Bay: Faults and Earthquakes
This site is primarily set up as an outline and is loaded with graphs, maps, and images. It covers a variety of earthquake-related topics, such as what causes earthquakes, fault lines and structures, seismology, a historical look at...
Weather Wiz Kids
Weather Wiz Kids: Volcanos
Great resource for learning all about tornadoes. Find out how they are formed, how they erupt, the different types, and notable volcanic eruptions. Also includes safety tips, animations, and activities.
eSchool Today
E School Today: Your Cool Facts and Tips on Earthquakes
Explains what earthquakes are, what causes them, the different types, tsunamis that can be caused by them, and how to prepare if living in an earthquake-prone area.