Physical vs. Chemical Changes and "The Code"

In this chemical and physical change learning exercise, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes. They identify 5 changes as chemical or physical as well as 5 changes in the digestive system. They also identify products, reactants and the number of atoms in chemical reactions.

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9th - 12th
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