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Science Ch 11
Lesson 5
Term | Definition |
---|---|
physical change | A change of matter in size, shape, or state without any change in identity. |
chemical change | A change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substance |
chemical reaction | Another name for a chemical change |
reactant | An original substance at the beginning of a chemical reaction |
product | A new substance produced by a chemical change |