Science: A Closer Look Grade 5 http://www.mhschool.com/science/2008/student/na/grade5/g5_ch12.html
Sound for Kids http://www.sciencekids.co.nz/sound.html
Sound for Kids: Free Games and Activities http://www.wartgames.com/themes/science/sound.html
Sound Videos and Games for Kids http://www.neok12.com/Sound.htm
The Soundry http://library.thinkquest.org/19537/Main.html
