changes of state
by hand tom
1. are caused by changes in
1.1. pressure
1.2. tempurature
2. include
2.1. evaporation
2.1.1. happens when a liquid reaches its
2.1.1.1. boiling
2.1.1.1.1. point and becomes a
2.2. freezing
2.2.1. a liquid becomes a
2.2.1.1. solid
2.3. sublimation
2.3.1. happens when a
2.3.1.1. solid
2.3.1.1.1. turns directly into a
2.4. condensing
2.4.1. happens when a gas turns into a liquid