Light and Sound

Videos
Loudest Sound (Science Max)
Light Challenge (Science Max)
Sound (Study Jams!)
Light (Study Jams!)
Light Absorption, Reflection and Refraction (Study Jams!)

Websites
Light and Sound Experiments (Steve Spangler)
7 Cool Sound Science Experiments for Kids (Kids Academy)
Light Science for Kids: Ways to Explore Refraction and Reflection (Buggy and Buddy)