The American Institute of Physics is the largest organization of physicists in North America. This web site allows access to online journals and thousands of pages of free and useful information. www.aip.org
British high school teacher offers various resources to improve students' knowledge. Contains Java demonstrations of physical principles, as well as problems and solutions. www.helpmyphysics.co.uk
Searchable database of physics resources from the Institute of Physics which matches your question, age and knowledge profile to handpicked sites. Also includes the Physics Life animation. www.physics.org
A collection of links to sites on the web that have computerized simulations of physics principles. Some are Java applets while others require the Flash plugin. www.hazelwood.k12.mo.us/~grichert/sciweb/applets.html