At this site explore the relationship between audibility and frequency of sound, and the difference between frequency and volume.

This site provides an experiment where students create a guitar to discover what variables will change sound.

Experience how vibrations make sound by constructing a guitar using rubber bands and a cereal box.

In this activity, students work with partners to create four different instruments to investigate the frequency of the sounds they make. Students may chose to make a shoebox guitar, water glass xylophone, straw panpipe or a soda bottle...