You are presented with the question "electrical energy is converted into" and the following answer choices: 
- engines
 - Pollution
 - heat energy
 - sensory neurons
 - Firecrackers
 - animal transport
 - to move people
 - warmth

Now knowing that alight bulb converts electrical energy into light energy when it is turned on and light energy is converted into heat energy, choose the best answer.


 

   heat energy      