Places to go while searching the Web!
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.shtml
http://www.pbs.org/wgbh/aso/tryit/tectonics/shockwave.html
http://kids.earth.nasa.gov/archive/pangaea/Pangaea_game.html
Other helpful sites for whole webquest.
Extreme science: a lesson in plate tectonics
http://www.extremescience.com/PlateTectonicsmap.htm
This Dynamic Earth: The Story of Plate Tectonics (Provides Maps, History, and Mechanisms) Great resource from USGS.
http://pubs.usgs.gov/gip/dynamic/dynamic.html
PALEOMAP Project (Provides Animation of Plate Migration) Click on Animations.
Geology: Plate Tectonics (Provides Animation of Plate Migration)
http://www.ucmp.berkeley.edu/geology/tectonics.html
Plate Tectonics: The Rocky History of an Idea (Provides History of Development of the Theory)
http://www.ucmp.berkeley.edu/geology/techist.html
Plate Tectonics: The Mechanism (Provides Mechanisms for Plate Tectonics
http://www.ucmp.berkeley.edu/geology/tecmech.html
Where you may find boundary information
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.shtml