There are several reasons why an electric kettle makes a whistling noise when boiling water. While water boils at a steady temperature, the temperature of the surrounding air is too high. As the temperature rises, air is dislodged from the water and forms bubbles. These bubbles expand, and eventuall

A whistling kettle is a great way to make a large quantity of water. The spout of the kettle is narrower than its handle, so it's easy to open and close it with a finger or thumb. The whistle is made of a natural, unstable substance, which is why it doesn't sound like a normal column of water after a certain distance.