Description

Description: This demonstration shows how the movement of air through a tube designed to be resonant produces an audible tone.

Equipment:

[H128-H5]

• Singing Tube
• Bunsen Burner or Blowtorch
• Heat Gloves

Setup Procedure:

1. Prepare the Bunsen burner if needed

Demonstration Procedure:

1. Using the heat gloves, hold the end of the tube with the internal wire mesh to the flame
2. After ~20-30s of heating, rotate the tube to be vertical so that the heated end is towards the floor
3. Note the tone produced when the tube is held vertical

Notes:

• Be careful when handling the tube after heated, after demo be sure to leave it out of the way to avoid accidents