Interactive
PBS

Pbs Learning Media: Continental Drift: What's the Big Idea?

For Students 3rd - 8th
Students learn how the theory that explains the position of Earth's continents was established and later modified.
Interactive
PBS

Pbs: Mountain Maker, Earth Shaker: You Try It

For Students 9th - 10th
What can a hard-boiled egg tell you about the Earth? Check this site out to learn. Be sure to click on "Plate Tectonics activity" for a graphic representation.