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5 ATHENA ch 12 Scott Foresman 2008

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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  


   


 

 

 

 

 

 
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