You are presented with the question "_ running through a wire causes that wire to heat up" and the following answer choices: 
- sunlight
 - hydrogen and oxygen
 - activation energy
 - to move people
 - an object
 - rays or beams
 - kinetic energy
 - reflecting light

Now knowing that electrical current running through a wire causes that wire to heat up and electricity is a kinetic energy, choose the best answer.


 

       kinetic energy  