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chapter 12 vocab
5 ATHENA ch 12 Scott Foresman 2008
vocabulary word | definition |
---|---|
physical change | a change in some properties of matter without forming a different kind of matter |
chemical change | the change of a substance into a different substance with different properties |
combustion | the process of burning |
reactant | substance used in a chemical reaction |
product | substance made during a chemical reaction |
chemical equation | a formula that describes a chemical reaction |
polymer | a large molecule made of many connected smaller units |