Chemical and Physical Changes All matter, all things can be changed in two ways: chemically and physically. Both chemical and physical changes affect the state of matter. Physical changes are those that do not change the make-up or identity of the matter. Chemical changes turn the matter into a new kind of matter with different properties. The difference between them is that physical changes are temporary or only last for a little while, and chemical changes are permanent, which means they last forever. Physical and chemical changes both affect the state of matter.



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