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I did this when I was in Chem :)
Face changes in matter means that the matter changes from one of the following states to another.
Gas, Liquid, and Solid.
When heat is added to a solid it becomes a liquid, when head is added to liquid it becomes a solid.
This chart helps.
Face changes in matter means that the matter changes from one of the following states to another.
Gas, Liquid, and Solid.
When heat is added to a solid it becomes a liquid, when head is added to liquid it becomes a solid.
This chart helps.