Enjoy these websites :)
http://funschool.kaboose.com/
http://www.funbrain.com/
http://www.abctooncenter.com/
http://www.magickeys.com/books/
http://www.poetry4kids.com/
http://www.aplusmath.com/
http://coolmath4kids.com/
http://www.nwf.org/kids/
http://www.americanpresidents.org/
http://www.whitehouse.gov/about/white_house_101/
http://bensguide.gpo.gov/
http://ibo.org/