You are presented with the question "What happens to the power a light bulb uses?" and the following answer choices: 
- It makes magnetic energy
 - It gets cold
 - It turns into heat
 - hydrogen and oxygen
 - It decreases
 - It expands
 - It turns into static
 - They may not survive.

Now knowing that alight bulb requires electrical energy to produce light and most of the energy a light bulb uses turns into heat, choose the best answer.


 

   It turns into heat      