Sound

Measurement:

• A really cool web-app for your mobile device that can measure: acceleration, distances, frequency, etc.: http://www.phonelabs.net/

Videos:

• The Spangler Effect : The Science of Sound. Part One & Part Two
• What is up w/ noises?
• Kahn Academy on Waves

General:

• Physics Classroom: Waves (in general)
• Physics Classroom: Waves (Sound & Music)

Project Ideas

• Eli Whitney Museum – Archived Project Designs

General

Great physics resources (be sure to click around their resources too):

• http://phet.colorado.edu/
• http://ocw.mit.edu/courses/audio-video-courses/
• http://www.brainpop.com/
• http://www.physicsclassroom.com/Class/
• http://physics.info
• http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html
• http://www.compadre.org/precollege/index.cfm

A great video resource (sometimes another point of view makes more sense): http://www.khanacademy.org/