Geography:

www.sheppardssoftware.com/web_games.htm

For emergent readers:

www.starfall.com/

Middle school science:

http://phschool.com/atschool/science_explorer/

Math Ghostbusters -- students in grades 3-4 love this site:

www.oswego.org/ocsd-web/games/Ghostblasters1/gbcd.html

Dance Mat Typing  --  a fun website for improving your keyboarding skills:

www.bbc.co.uk/schools/typing/

Math sites:

www.homeworkspot.com

www.funschool.kaboose.com

www.internet4classrooms.com

www.iknowthat.com/com/L3?Area=Widget