http://www.scholastic.com
math flash cards http://www.blackdog.net/games/math/flash/index.html
state and capital games http://www.sheppardsoftware.com/web_games.htm
states and capitals http://www.kidsgeo.com/geography-games/usa-capitals-map-game.php
states http://www.funbrain.com/cgi-bin/wh.cgi?A1=s&A15=usa&A2=0&Submit=Show+Me+The+Maps%21
Science Fair Project Ideas http://www.free-science-fair-projects.com/Science-Fair-Projects-Search.aspx?Grade=4&Category=All
More Science Projects http://www.scienceproject.com/projects/index/primary.asp
math manipulatives http://matti.usu.edu/nlvm/nav/vlibrary.html
Go to learner-activities http://www.shodor.org/interactive