"The Physics Classroom Tutorial
A set of instructional pages written in an easy-to-understand language and complemented by graphics and Check Your Understanding sections. An ideal starting location for those grasping for understanding or searching for answers.
Multimedia Physics Studios
A large collection of GIF animations and QuickTime movies designed to demonstrate physics principles in a visual manner. Each animation is accompanied by explanations and links to further information.
Shockwave Physics Studios
A collection of pages which feature interactive Shockwave files that simulate a physical situation. Users can manipulate a variable and observe the outcome of the change on the physical situation."
In addition it contains practice and review resources and teacher tools including a photo gallery, labs and curriculum sheets
"This non-calculus, college-level physics curriculum includes Newtonian mechanics, thermodynamics, waves, sound, optics, electricity, magnetism, atomic physics, nuclear physics, and relativity.
While there are distinct advantages to learning--either in a classroom or online--with a real physics teacher, there are a number of online references that can help supplement your instruction. "