The Electromagnetic Spectrum http://imagers.gsfc.nasa.gov/ems/ems.html
Making Waves http://amazing-space.stsci.edu/resources/explorations/light/ems-frames.html
Why is the Sky Blue? http://spaceplace.jpl.nasa.gov/misrsky/misr-sky.htm
Eye Anatomy http://www.stlukeseye.com/Anatomy.asp
Animal Eyes http://www.ebiomedia.com/gall/eyes/eye1.html#
NASA Space Place http://spaceplace.jpl.nasa.gov/en/kids/
Light & Optics http://micro.magnet.fsu.edu/optics/tutorials/
Infrared World Gallery http://coolcosmos.ipac.caltech.edu/image_galleries/ir_portraits.html
Light & EMS Battleship http://www.quia.com/ba/51824.html
Light & EMS hangman balloons http://www.quia.com/hm/205100.html
Light & EMS Quiz http://www.quia.com/tq/472487.html