NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Brain Pop http://www.brainpop.com
Ask Jeeves for Kids http://www.askforkids.com/
Fun Brain http://www.funbrain.com
PBS Kids http://www.pbskids.org
Ed Heads (Interactive game) http://www.edheads.org
Great website to practice your spelling words! http://www.spellingcity.com
50 States http://50states.com/
Yahooligans http://www.yahooligans.com
Letter Generator http://readwritethink.org/materials/letter_generator/
National Geographic http://kids.nationalgeographic.com/
LEAP Board Game http://www.photographicvr.com/leap4fun/
LEAP-Louisiana Pass http://www.photographicvr.com/leap4fun/
LEAP-Practice Tests http://www.charliefrench.com/
USA Map Game! http://jimspages.com/States.htm
Ben's Guide to U.S. Government for Kids http://bensguide.gpo.gov/
Just Kids Games
www.sciencebob.com