Intended as an introduction for high-school and college students, and as a teacher resource. Physics Demonstration Resources - physics demonstration resources online with URLs and brief descriptions. A must-see resource for anyone interested in learning how to do physics demonstrations.
Online help is available.
Visual Quantum Mechanics - instructional units that introduce quantum physics to secondary school and college students who do not have a background in modern physics or higher level math. Wonders of Physics - physics demonstrations chosen to be entertaining as well as educational.