Physical and Chemical changes and properties
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Created by:
mbollinger7 on November 19, 2009
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6 terms
Terms | Definitions |
|---|---|
Physical properties | The characteristics of a substance that can be observed or measured without changing the substance. ex.color, texture shape, weight, size. |
Physical change | A change in a substance that does not involve a change in the identity of the substance. ex. Cutting clay in half, or sculpting clay. |
Chemical properties | characteristics that can only be determined by a chemical reaction and a chemical change in a substance. ex. Tarnishing |
Chemical change | Change that produces new substances. ex. burning wood turning into ash. |
Signs of chemical change | Bubbles, heat, light, smoke, change in color, sound |
Density | Density is a measurement of the amount of matter present in a given volume of a substance. ex. D=m/V |
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