PHASE CHANGE (Natalia)

1. BASIC CONCEPTS

1.1. the change of one state of matter to another

1.2. takes place when heat is added to a substance

1.2.1. Heating

1.3. takes place when heat is removed from a substance

1.3.1. Cooling

2. GRADUALLY

2.1. Evaporation

2.1.1. adding heat

2.1.2. boiling point

2.1.3. transition from a liquid to gas

2.2. Melting

2.2.1. adding heat

2.2.2. melting point

2.2.3. transition from a solid to liquid

2.3. Freezing

2.3.1. removing heat

2.3.2. freezing point

2.3.3. transition from a liquid to solid

2.4. Condensation

2.4.1. removing heat

2.4.2. condensation point

2.4.3. transition from a gas to liquid

3. DIRECTLY

3.1. Sublimation

3.1.1. a solid directly into a gas

3.1.2. example

3.1.2.1. dry ice is solid carbon dioxide

3.2. Deposition

3.2.1. a gas directly into a solid

3.2.2. example

3.2.2.1. water vapor deposits as tiny ice crystals