http://www.eskimo.com/~billb/amasci.html
This
site has lots of great information. Links to many sites. Some of particular
interest are Kids' Science Projects Elsewhere and Physics Demo Page. Physics
Demo Page includes details of experiments and links to other good sites for
related information and research.
The Wonders
of Physics
http://sprott.physics.wisc.edu/wop.htm
Chemistry Teaching Resources - Demonstrations and
Experiments
http://www.anachem.umu.se/cgi-bin/pointer.exe?Demonstrations
Nebraska Educators Really
Doing Science
http://nerds.unl.edu/
This site contains chemistry, biology, and physics demonstrations in its Teacher
Resources section.
Science is
FUN
http://scifun.chem.wisc.edu/
Reduced
Gravity Demonstartor
http://zeta.lerc.nasa.gov/mini/minit.htm