Visit this site to learn more about the different types of plate boundaries. Includes color pictures and easy-to-understand examples of how and why plates move the way they do.

An in-depth look at the structure and composition of Earth's mantle, with lots of visuals. Covers lithosphere, Mohorovicic discontinuity, asthenosphere, transition zone, lower mantle, the d double-prime region, mantle convection, mantle...

Observe the relationship among volcanoes, earthquakes and lithospheric plates by collecting data and creating maps. This activity was created to be used with the NOVA program, "Deadly Shadow of Vesuvius" but the video is not necessary...

Three part lesson will provide students with information about earthquakes and how to predict them using various Web sites. Activities include historical background on major earthquakes, investigating mechanical waves, and simulating...

This website is a resource for learning about earthquakes. Java animation at this site helps you visually understand the causes of earthquakes.

Learn about various rock types and the rock cycle.