Physical vs. Chemical Changes
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Chemical
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A piece of wood burns to form ash
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Physical
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Water evaporates into steam.
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Physical
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A piece of cork is cut in half.
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Chemical
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A bicycle chain rusts.
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Chemical
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Food is digested in the stomach.
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Physical
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Water is absorbed by a paper towel.
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Chemical
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Hydrochloric Acid reacts with zinc.
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Chemical
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A piece of an apple rots on the ground.
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Chemical
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Baking brownies from eggs and chocolate.
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Physical
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A popsicle melts.
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Chemical
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Milk sours.
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Chemical
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Eggs turn into an omelette.
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Physical
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A tire is inflated with air.
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Chemical
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A plant turns sunlight, CO2, and water into sugar and oxygen.
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Physical
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Sugar dissolves in water.
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Physical
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Melting an Ice Cube
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Physical
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Freezing Water
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Chemical
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Digesting Food
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Chemical
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Lighting a Candle
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Physical
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Tearing a Piece of Paper
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Chemical
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Burning a Piece of Paper
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Chemical
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Mold Growing on Food
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Physical
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Salt Dissolving in Water
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Physical
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Perfume evaporating on your skin
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Physical
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Butter Melting
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Physical
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Chlorine gas liquefies
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Physical
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A hot glass cracking
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Physical
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Melting copper metal
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Chemical
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Wood Rotting
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Chemical
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Charcoal Burning
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Chemical
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Autumn leaves changing color
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Chemical
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Burning Sugar
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Chemical
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Hydrogen burns in chlorine gas
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Physical
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Fogging a mirror with your breath
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Physical
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Writing on paper
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Physical
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Mixing water and food coloring
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Physical
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Mixing sugar with coffee
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Physical
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Paper ripping
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Physical
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Slicing potatoes for fries
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Physical
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Breaking a bone
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Chemical
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Mending a broken bone
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Chemical
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A nail rusting
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Chemical
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Wood burning
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Chemical
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Frying Chicken
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Physical
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Boil
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Physical
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Condense
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Physical
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Crush
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Physical
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Crumple
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Physical
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Melt
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Physical
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Freeze
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Physical
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Grind
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Physical
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Sublimation
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Chemical
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Burn
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Chemical
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Ferment
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Chemical
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Rust
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Chemical
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Tarnish
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Chemical
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Explode
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Chemical
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Rot
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Chemical
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Photosynthesis
