PBS
Pbs Learning Media: Einstein: How Smart Was He?
This essay from the NOVA Web site explores the impact Einstein made on physics and most everything we know about the cosmos.
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Light Quest
Light Quest activity, for two to four players, designed to explain how atoms create light and where photons come from.
Geography 4 kids
Geography4 kids.com: Waves and Particles
Understand how light moves in small particles in the electomagntic spectrum.