20 points for the next person who can give me the right answer.

You will hear a hissing sound because of the carbon dioxide escaping the can or bottle

Aliquid is an answer i hope this

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling