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Factmonster.com
Fact Monster is the largest free reference site just for kids! Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education and health.
http://www.factmonster.com/
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HowStuffWorks.com
HowStuffWorks explains hundreds of subjects, from car engines to lock-picking to ESP, using clear language and tons of illustrations. We do the research so you don't have to.
http://www.howstuffworks.com/
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PlacesNamed.com
http://www.placesnamed.com/
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WikiPedia
An online collaborative encyclopedia.
http://www.wikipedia.org
 Google PR:
 
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