VOLCANOE SITES

http://science.howstuffworks.com/volcano.htm  - video and introductory material

http://volcano.oregonstate.edu/ -

http://www.learner.org/interactives/volcanoes/ -

http://www.geology.sdsu.edu/how_volcanoes_work/ -

http://www.pbs.org/wnet/savageearth/volcanoes/index.html - animation at bottom

EARTHQUAKE SITES

http://science.howstuffworks.com/earthquake.htm - video and introductory material

http://www.pbs.org/wnet/savageearth/earthquakes/index.html - animations

http://www.sciencecourseware.com/eec/Earthquake/ - tutorial for locating epicenters

http://dsc.discovery.com/guides/planetearth/earthquake/interactive/interactive.html

PLATE RECTONICS SITES

http://www.discoverourearth.org/student/tectonics/continental_drift.html - with interactive map

http://www.divediscover.whoi.edu/tectonics/pangea-animation.html

http://kids.earth.nasa.gov/archive/pangaea/quiz.html - intro quiz and then information

http://www.ucmp.berkeley.edu/geology/tectonics.html

GEOLOGIC TIME SITES

http://www.ucmp.berkeley.edu/exhibits/geologictime.php

http://www.enchantedlearning.com/subjects/Geologictime.html - large scale with links

http://academic.brooklyn.cuny.edu/geology/leveson/core/topics/time/froshlec8.htm - for dating

http://regentsprep.org/Regents/earthsci/radioactivedecay.htm

http://www.wwnorton.com/college/geo/egeo/flash/10_1.swf