Code Number: 3C20.20

Demo Title: Zip Strips

Condition: Good

Principle: Vibrations

Area of Study: Oscillations &Acoustics

Equipment:

Styrofoam Cup, Zip Strips.

Procedure:

Put a knot in the top end of the zip strip and insert into the cup up to the knot. Using your finger nail on the raised ridges that are on one side of the strip, smoothly pull down the length of the strip. The strip should make a sound that is close to understandable words. Strips come with words such as "Happy Birthday", "Happy New Year", and "Science is Fun".

References:

Carson I. A. Ritchie, "The Clucking Hen", Making Scientific Toys, p. 53.
Martin Gardner, "79, Paper Cup Squawker", Smart Science Tricks, p. 118.

2009 Honda Civic Musical Road

3C20.20 - Zip Strips

Disclaimer

These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.