Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436

Mysteriously play an organ pipe without an organ! This demonstration uses heated air to produce vibrations inside a long tube. The vibrations, in turn, produce standing sound waves with a unique tone or timbre (ta˘mʹ br)—the same concept that produces sound from an organ pipe.


  • Sound Waves
  • Resonance
  • Frequency