There are Three Forms of Matter
Materials
Structure of Matter
Solids
They keep their shape.
Solids Movie
Liquid
They take the shape of
the container that holds them. You can pour them from one container
to another. Gravity usually pulls liquid downward.
Liquids
Movie
Gas
It can float in the air.
Some gases are invisible.
Gas
Movie
Find the melting and freezing point of materials.
Do you know your solids, liquids and gasses?
Matter Can Change 
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