Why Kettles Make Noise
Kettles make noise as a result of water boiling inside them. As the water heats up, steam is produced and it pushes its way out of the spout or lid of the kettle. The force of the steam escaping creates a loud whistling sound which is amplified by the metal body of the kettle. This noise serves an important purpose in that it lets us know when our water has reached boiling point and is ready to use for tea or coffee....