Phase Change Notes

Kinetic Theory of Matter:

Phases of Matter:

Solid
matter that has definite volume and shape.
The molecules are packed together tightly and move slowly.
Liquid
matter that has definite volume but not shape.
Since the molecules of a liquid are loosely packed and move with greater speed,
a liquid can flow and spread.
Gas
matter that has no definite volume or shape.
Molecules of a gas are so loosely arranged and move so rapidly that they will fill their container.

Phase Change Descriptions:

Melting
the change from solid to liquid.
Freezing
the change from liquid to solid.
Vaporization
the change from liquid to gas.
Evaporation
vaporization from the surface of a liquid.
Boiling
vaporization from within as well as from the surface of a liquid.
Condensation
the change from gas to liquid.
Sublimation
the change from solid to gas.
Deposition
the change from gas to solid.

Diagrams

  Concept map for phase changes
 
  Phase Change Diagram