You are presented with the question "What can cause something to have a change of state?" and the following answer choices: 
- smell
 - death
 - size
 - forces
 - sweat
 - fever
 - color
 - heat

Now knowing that heat can change the state of matter and if the state of matter is changed, as in a liquid to a gas, it is called a change of state, choose the best answer.


 

        heat 