Fact 1: Heating salt water causes the water to evaporate while the salt remains.

Fact 2: Steam that rises from a pot of boiling water is water than has evaporated .

Given the two facts above, answer the question "What happens when salt water is boiled?" with the following options: 
- Water turns into steam
 - heat is produced
 - Plant growth is reduced
 - get chemical reactions started
 - It gets heated up
 - The water gets colder
 - Salt turns into steam
 - The salt disappears


 

 Water turns into steam        