sábado, 19 de marzo de 2011

Physical properties

Matter:any solid liquid or gas.


Mass:amount of matter inan object.


Volume:the amount of space and object takes up.


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


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


Physical Change:a change in size, shape, or state withoutforming a new substance.


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


Chemicl Change:a change in matter that produces a new substances with different properties from the original.

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