Chemical Changes: a rusting bicycle, bleaching your hair, frying an egg, burning leaves, fireworks exploding, baking a cake, change of color, Acid corroding away metal, produces bubbles/gas, Irreversible, light/heat is released, Producing a precipitate (a solid from mixing 2 liquids), Physical Changes: glass breaking, hammering wood together, melting butter, separating sand and gravel, melting ice, mixing salt and water, dissolving something in water, boiling water, cutting grass, cutting your hair, crushing a can, Changing state (from a solid to a liquid or gas),

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