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8th Topic 6 Lesson 2

TermDefinition
physical change a change that alters the form or appearance of a substance without changing it into a different substance
chemical change a change in matter that produces one or more new substances.
product what is formed in a chemical change
reactant substances that undergo chemical changes
exothermic reaction energy released as the products form is greater than the energy required to break the bonds in the reactants
endothermic reaction more energy is required to break the bonds of the reactants than is released by the formation of the products
rate time required to change
Created by: tori.carmichael
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