Rensselaer Semi-Weekly Republican, Volume 20, Number 104, Rensselaer, Jasper County, 8 September 1899 — Cause of the Kettle’s Song. [ARTICLE]

Cause of the Kettle’s Song.

People often wonder what makes the high note of a simmering tea kettle, but the explanatioh is simple. As the water heats little bubbles of steam are formed at the bottom of the kettle. These rush upward and, being attracted to the sides of the kettle, they make a commotion which sets the metal In vibration and the kettle “sings.”