Chemical Change: nail rusting, milk curdling, candle burning, making ice cream, cooking an egg, burning wood, baking a cake, banana rotting, mixing vinegar and baking soda, digesting food, Physical Change: ice melting, steam coming off a hot pot, breaking glass, crushing a can, mixing red and green marbles, shredding paper, chopping wood, boiling water, mixing flour, salt, and sugar, crumpling a paper bag,

Physical & Chemical Changes

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恢復自動保存: ?