Earth+and+the+Environment+-+4

http://www.urbanext.uiuc.edu/woods/01.html
 * Earth and Environment**

http://www.nceas.ucsb.edu/nceas-web/kids/
 * Kids Ecology**

http://www.classzone.com/books/earth_science/terc/content/visualizations/es1205/flash/es1205_erosion_e.swf
 * U.S. Erosion**

http://magma.nationalgeographic.com/ngexplorer/0303/quickflicks/
 * How Mountains Form** (BrainPop Video)

[]
 * How Ice Cracks Rock** (Animation)

[]
 * Discover How Rocks Are Formed**