Enchanted Learning
Enchanted Learning: All About Plate Tectonics
Simple discussion of plate tectonics and Pangaea. Includes maps and interactives.
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.
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).
Other
Rockhounding Arkansas: Your Fault, My Fault, and the New Madrid Fault
Text and diagrams regarding tectonic forces, the new Madrid Fault, and earthquakes.