You are presented with the question "What turns from a liquid into a solid?" and the following answer choices: 
- ice
 - heated water
 - kinetic energy
 - fossil fuels
 - solid, liquid, gas
 - Calcium carbonate
 - cooled water
 - superheated water

Now knowing that freezing means changing from a liquid into a solid by reducing heat energy and water freezes into ice when cooled, choose the best answer.


 

       cooled water  