CK-12 Foundation
Ck 12: Earth Science: Paleozoic Plate Tectonics
How plate tectonics formed Pangaea. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Theory of Plate Tectonics
[Free Registration/Login may be required to access all resource tools.] Discusses what a tectonic plate is and how scientists can recognize its edges, how the plates move by convection in the mantle, the three types of plate boundaries...
CK-12 Foundation
Ck 12: Earth Science: Tectonic Plate Motions
Earth's tectonic plates and how they move. [Free Registration/Login may be required to access all resource tools.]