University of Colorado
University of Colorado: Ph Et Interactive Simulations: Faraday's Electromagnetic Lab
This interactive lab in electromagnetics effectively illustrates how Faraday's law works.
Other
The Blobz Guide to Electric Circuits
An exciting interactive site of games, activities, information, and quizzes about electric circuits. You'll learn what makes circuits work, all about conductors and insulators, switches, changing circuits, and circuit diagrams. Learning...
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Games & Puzzles
A great place to reinforce topics covered in a fun way. Science, math, and more, specifically element games for all levels.
Other
Hard Rocks Interactive Crossword
A fun way to review what you know about rocks! Play online, or print out and solve later.
Quia
Quia: Newton's Laws Quiz
A short quiz on Newton's famous laws of motion. Has ten multiple-choice questions.