Science: LIGHT

http://www.physics4kids.com/files/light_intro.html
http://camillasenior.homestead.com/optics.html
http://www.bbc.co.uk/bitesize/ks2/science/physical_processes/light/play/
http://www.myscience8.com/light.html
http://thompsonclassroom.weebly.com/grade-8-science.html