lunes, 25 de abril de 2011

Physical Properties

Physical Properties


Matter: any solid, liquid, or gas
Mass: amount of matter in an object.



 Volume: the amount of spece an object takes up.


 Density: the amount of mass in a certain volume of material.



 Physical property: a property that can be observed without changing the identify of a substance.



Physical change: a change in size, shape, or state without forming a new substance.



Solution: a mixture of one substance dissolved in another so that the properties are the same throughout.



 Chemical change: a change in matter that produces a new substance with different properties from the original.





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