PURPOSE: To demonstrate how variations in the length of the air column vary the pitch (frequency) of the sound

DESCRIPTION: A slide whistle. Blow in the whistle end. Pull on the slide to change frequency of the sound.

SETUP TIME: Minimal

COMPONENT LIST:

 Slide Whistle  -- Pick one up at the local toy store, or request one from

                         Sarah Paukstis (who has a variety from which you may choose)

SUGGESTIONS:

REFERENCES: PIRA 3D32.30

OTHER NOTES: