Information on Ft. Clarke's Science Fair:

http://www.sbac.edu/~fcms/scifair.html

NASA :    http://www.nasa.gov/

Bill Nye, The Science Guy:  http://www.billnye.com/

Extreme Science: http://www.extremescience.com/index.html

Science Fair Central :

http://school.discoveryeducation.com/sciencefaircentral/

Science for Kids sponsored by Yahoo:

http://kids.yahoo.com/science