Play the Geometry Matho Game http://www.aplusmath.com/cgi-bin/games/geomatho
Play Mancala http://www.rocketsnail.com/mancala/classic.htm
Play the British version of of "Who Wants to be a Math Millionaire" http://www.mathsnet.net/puzzles/mathionaire/mathionaire.swf
Super Kids Vocabulary Builder http://www.superkids.com/aweb/tools/words/
Vocabulary Games http://www.funbrain.com/words.html
Titanics Final Resting Place http://seawifs.gsfc.nasa.gov/titanic.html
Oceanography http://www.kidskonnect.com/content/view/93/27/
Watch a Volcano Movie http://magma.nationalgeographic.com/ngexplorer/0405/quickflicks/
Exploratorium Life Along the Fault Lines http://www.exploratorium.edu/faultline/
Lots of fun tests you can take online. http://alexandria-es10.lausd.k12.ca.us/Staff_Pages/Henry_Anker/Mr_Anker_Tests_New/indexAllTests.html