Physical Properties / Changes: Hardness, Color, Boiling Water, Melting point of Iron, Shredding paper, Density, Smell, Chemical Properties / Changes: Mix of baking soda & vinegar, Burning a log, Exploding firework, pH (acidity) of a solution, Cooking an egg, Rotting banana peel, Flammability, Milk turning sour, Half-life of a radioactive material,

Physical vs. Chemical Properties and Changes

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