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Topic 6 Lesson 2 Voc

QuestionAnswer
A change that alters the form or appearance of a material but does not make the material into another substance. physical change
A change in which one or more substances combine or break apart to form new substances. chemical change
A substance that enters into a chemical reaction. reactant
A substance formed as a result of a chemical reaction. product
A reaction that releases energy, usually in the form of heat. exothermic reaction
A reaction that absorbs energy. endothermic reaction
How slowly or quickly something happens. rate
Created by: tori.carmichael
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