Internet Field Trip: Earth's Crust, Mantle, and Core Internet Links Public Broadcasting Service Online Savage Earth Animation: The Hot Zones See beautiful moving images and learn more about Earth's interior. http://www.pbs.org/wnet/savageearth/animations/hellscrust/index.html Internet Field Trip: Types of Movement Between Plates Internet Links Public Broadcasting Service:A Science Odyssey: Mountain Maker, Earth Shaker — You Try It: Plate Tectonics Build mountains. Trigger volcanoes. Create a new sea floor. You can change the landscape with the slightest movement of your mouse. http://www.pbs.org/wgbh/aso/tryit/tectonics/indext.html Public Broadcasting Service: Savage Earth: Hell's Crust: Our Ever-Changing Planet See animations of plate boundaries as they spread apart, converge, and slide past one another. http://www.pbs.org/wnet/savageearth/hellscrust/index.html Internet Field Trip: San Andreas Fault Internet Links United States Geological Survey: The San Andreas Fault Learn about tectonic plate movement along the San Andreas Fault. http://pubs.usgs.gov/gip/earthq3/intro.html Internet Field Trip: Volcanoes Internet Links University of North Dakota: Volcano World — The Premier Source of Volcano Information Hike to the rim of a volcano or peek over the crater's edge! http://volcano.und.nodak.edu/ United States Geological Survey: Volcanoes Explore volcanoes—their nature, types, products, and hazards. http://pubs.usgs.gov/gip/volc/cover2.html The Annenberg/CPB Project Exhibits Collection: Volcanoes: Can We Predict Volcanic Eruptions? Learn why volcanoes occur and where the volcanic hot spots are. http://www.learner.org/exhibits/volcanoes/entry.html