Lesson 2, Topic 2
In Progress
Boiling and evaporation
Lesson Progress
0% Complete
Boiling
Boiling and evaporation are both changes of state that involve a liquid changing to a gas
Boiling happens when a liquid is heated to its boiling point


Evaporation
Evaporation can happen at temperatures lower than the liquids boiling point
More energetic particles that are near the surface of the liquid can escape and become gas particles

