Fact 1: Boiling means change from a liquid into a gas by adding heat energy.

Fact 2: Evaporation is when a liquid turns into a gas.

Given the two facts above, answer the question "What happens when a liquid is boiled?" with the following options: 
- Sublimation
 - air cools
 - Evaporation
 - Water expanding
 - It expands
 - Condensation
 - Precipitation
 - Temperature


 

   Evaporation      