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 identify 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 that produces a new substance with different properties from the original.
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