Electromagnetism

Magnet Man – Cool Experiments with Magnets
This web site is devoted to magnetism and the cool experiments you can do with permanent magnets and electro-magnets.

Electricity and Magnetism
This is an on-line college physics textbook that discusses electricity in terms of atomic structure and then goes into a discussion of electromagnetism and magnetic properties.  It has excellent diagrams and includes homework problems and lab exercises.

Electromagnetism
Six lessons are provided on electromagnetism.  There are also links available for applications, history, and activities.