Correct: cutting paper, mowing grass, bending a copper wire, crumbling paper, slicing cake, tire deflating, chewing food with your teeth, lake freezing in winter, ripped a hole in your shirt, making a salad, crushing a can, a new haircut, water boiling, dunking a cookie in milk, Incorrect: digesting food, a car rusting, the mixture is bubbling with no heat, fireworks, burned toast, baking a cake, leaves changing colors, smelly spoiled milk, charcoal burning on a grill, tomatoes changing from green to red, silver tarnishing, rotting wood,

Physical and Chemical Changes

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