domingo, 13 de marzo de 2011

vocabulary 1

MATTER : Any solid, liquid, or gas.



MASS: Amount of matter in an object..




VOLUME: The amount of space an object takes up.



DENSITY: The amount of mass in a certain volumen of material.




 PHYSICAL PROPERTY: A property that can be obseved without changing the identity of a substance.



PHYSECAL CHANGE: A change in size, shape, or state without forming a new substance.



SOLUTION: A mixture of one subtanse dissolved in another so that the properties are the same throughout .



CHEMICAL CHANGE: A change in matter tha produces a new subtance whith different poperties from the original.

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