1. Matter: Any solid, liquid or gas
2. Mass: Amount of matter in an object
3. Volume: The amount of space an object takes up.
4. Density: the amount of mass in a certain volume of material
5. Physical Property: A property that can be observed without changing the identity of a substance
6. Physical Change: a change in size, shape or state without forming a new substance
7. Solution: A mixture of one substance dissolved in another so that the properties are the same throughout
8 . Chemical Change: a change in matter the produces a new substance with different properties from the original
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