domingo, 10 de abril de 2011

Vocabulary 1

Matter:any solid,liquid,or gas.





Mass:the amount ofmatter in an object.





Volume:the amoun of space 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 identity of a substace.





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




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





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

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