Electromagnetic Spectrum, Light, and Waves Webquest
Link 1:
http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
Link 2:
http://www.lbl.gov/MicroWorlds/ALSTool/EMSpec/EMSpec2.html
Link 3:
http://camillasenior.homestead.com/optics3.html
