White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
US History Site (Click 6-8) http://bensguide.gpo.gov/
Geography US 50 States http://www.50states.com
Geography US http://www.kidport.com/RefLib/UsaGeography/UsaGeography.htm
Geography US http://www.history.com/states.do
Geography US http://jimspages.com/States.htm