You are presented with the question "What is converted to heat in a light bulb?" and the following answer choices: 
- Firecrackers
 - electricity
 - peachleaf willow
 - an object
 - layers of fat
 - an electron lens
 - sunlight
 - our nearest star

Now knowing that alight bulb converts electrical energy into light energy when it is turned on and most of the energy a light bulb uses turns into heat, choose the best answer.


 

  electricity       