Annenberg Foundation
Annenberg Learner: Interactives: Dynamic Earth: Slip, Slide, & Collide
Looking for more information about plate tectonics and what happens at plate boundaries? This site gives definitions of all plate boundaries as well as animations to help visualize what is happening.
PBS
Pbs Learning Media: Tectonic Plate Movement in Alaska
In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, learn how tectonic plate movement is responsible for building mountains, such as the Wrangell and St. Elias Mountains. 2m 16s
Woods Hole Oceanographic Institution
Woods Hole Oceanography Institute: History of the Earth
This interactive timeline reveals key geologic and biological events starting back 4.8 billion years to the present.