PBS
A Science Odyssey: You Try It: Plate Tectonics
Using your computer mouse you can simulate transforming, collisional, divergent and convergent plate boundaries. Descriptions of each plate boundary are also available.
Other
An Introduction to the Abc's of Plate Tectonics
Resource presents the basics of plate tectonics, as well as a summary of the current thinking about plate tectonics and its mechanisms.
Other
Paleomap Project: Earth History
The PALEOMAP Project illustrates the plate tectonic development of the ocean basins and continents, as well as the changing distribution of land and sea during the past 1100 million years. Includes virtual 3D paeloglobes.
Extreme Science
Extreme Science: A Lesson in Plate Tectonics
With its clickable map, this site provides text and graphics on spreading boundary, converging boundary, subduction zone, transverse boundaries and faults.
Other
Rockhounding Arkansas: Your Fault, My Fault, and the New Madrid Fault
Text and diagrams regarding tectonic forces, the new Madrid Fault, and earthquakes.
PBS
Mountain Maker Earth Shaker
This resource gives an introduction to the theory of plate tectonics. It also has animations of four types of plate boundary interactions (convergent, divergent, transforming, collisional).
PBS
Pbs: A Science Odyssey
Website for the PBS series "A Science Odyssey." Numerous opportunities to explore the people and discoveries of science.
Other
University of Chicago: Dinosaur Extinction
This theory from the University of Chicago of dinosaur extinction revolves around the concept of plate tectonics, the movement of the continents over a sort of liquid around the planet.