domingo, 20 de marzo de 2011

PHYSICAL PROPERTIES

1. Matter: any solid, liquid, or gas.
2. Mass: the 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 that produces a new substances with different properties from the original.

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