convection
because Robert Bunsen made it :)
just it control the quantity of air supplied to burner .It is also called as damper.
Etne
Yes they are used for heating small amounts of liquids!
oxident
Etne
I think it is called a gimbal
A wire gauze is placed on a tripod stand on top of a Bunsen burner.
It is called the collar.
Fire
The energy you feel as heat from an electric burner is carried by electromagnetic waves called infrared rays. Particles of light energy is called photon.