(Sample link) NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
(Sample link) National Geographic for Kids http://www.nationalgeographic.com/kids/
Texas Technology Student Association http://www.texastsa.org/
Finding stock quote http://www.tdameritrade.com/welcome1.html
Satellite tracking http://science.nasa.gov/Realtime/jtrack/3d/JTrack3D.html
CO2 cars http://www.science-of-speed.com/showroomlist.asp
Building Codes http://www.roundrocktexas.gov/home/index.asp?page=143
Peg game
Trebuchet
Test Test
Temple Bell
Geronimo