Social studies online textbook http://www.eharcourtschool.com/
Look, Cover, Write, Check for spelling words http://www.amblesideprimary.com/ambleweb/lookcover/lookcover.html
Jamestown Simulation http://www.historyglobe.com/jamestown/
Operation Shoebox - Home page; click on "Items Needed" at the top. http://www.opshoeboxnj.org/index.htm
Fact Fragments http://www.readwritethink.org/materials/factfrenzy/opening.html
Quotes from famous people http://www.quotationspage.com/