Interactive Physics Sites:

MPTL-Multimedia in Physics Teaching and Learning
Wolfram Demonstrations Project
SERENDIP
Interactive Physics and Math with Java
jracademy
Design Simulation Technologies
Physics 2000
John Mallinckrodt
Physcis Central - Learn How Your World Works
PhysicsWeb
MTU Physics
GBS Physics
Interactive Physics Web Site Directory
General Physics Java Applets
Physlets - Web-Based Interactive Physics Problems
Shockwave Physics Studios

Open Directory - Interactive animations
The Multimedia Physics Studios
Physlet Simulations and Animations for First-Semester Physics
Flash Animations for Physics
Physics Animations / Simulations
MyPhysicsLab – Physics Simulation with Java

The Festival of Interactive Physics
Interactive Animations

Interactive Applets For Physics

Levent Sakar.Com
Physlet® Physics
Physics.org

Physics Education Technology
Visual Quantum Mechanics
Solid State Physics: Interactive Learning
Interactive Plasma Physics Education Experience