physical: breaking glass, boiling water, ripping paper, breaking pencil, condensation on window, cutting grass, smashing watermelon, evaporation, cutting hair, painting wood, erosion, mixing carrots and peas, ice melting, condensation on grass, freezing water, bumper dent, breaking sugarcubes, breaking wood, Putting makeup on your face, dissolving salt in water, chemical: burning toast, burning wood, acid rain, burning forest, firework exploding, dyeing hair, cooking steak, rusted car, photosynthesis, ripening bananas, fungi decomposing tree, sour milk, roasting marshmellows, digesting food, frying an egg, precipitate forms in a test tube, spoiling food, baking a cake, Vinegar and baking soda reacting to form a gas, Chemicals making a glow stick,

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