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Physical and chemical changes

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A physical change is when matter changes form or state, such as ice melting into water or wood being cut, but the matter's chemical composition remains the same. A chemical change creates an entirely new substance through chemical reactions, like baking a cake, burning wood, rust forming on metal, or photosynthesis in plants. Physical and chemical changes can be distinguished by whether the original substances' chemical makeup is preserved or altered.

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Physical and chemical changes
Physical change ? A physical change is a change of matter from one state (form) to another. Examples: ice cream melting ? liquid water freezing and becoming solid ice ? cutting wood ? clouds forming in the sky
Chemical changes ? A chemical change is a change that forms a different kind of matter. Examples: baking a cake ? burning wood ? a nail rusting ? photosynthesis
Pictures ? A physical change
pictures ? A chemical change

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Physical and chemical changes