Visit the Dept. of Energy's student site to learn how to do a Home Energy Checkup! U.S. Department of Energy
Plate Tectonics; Interactive Site http://www.amnh.org/ology/index.php
Interested in volcanoes? Give this Site a try. http://library.thinkquest.org/17457/english.html
Brainpop Plate tectonics http://www.brainpop.com/science/earthsystem/platetectonics/