Sound Experiment Links:
http://wow.osu.edu/experiments/sound/soundlist.html
http://www.galaxy.net/~k12/sound/
http://www.hunkinsexperiments.com/themes/themes_sound.htm
http://www.west.net/~science/sound.htm
http://www.spartechsoftware.com/reeko/moreexperimentssortcategory.htm
http://pbskids.org/zoom/activities/sci/
http://faculty.washington.edu/chudler/chhearing.html
http://www.fi.edu/fellows/fellow2/apr99/lesson.html