Properties and changes in matter

Dylan A. 2nd period

Physical change

Definition: A change that alters the form or appearance of a substance but does not make the material into another substance

Example: chopping, bending, molding

Non-example: burning wood

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Chemical change

Definition: a change in matter that produces new substances

Example: burning wood, mixing acid and base, digesting food

Non-example: Melting, bending, chopping

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Physical properties

Definition: a characteristic of a substance that can be observed without changing the substance into something else

Example: density, color, smell

Non-example: flame able, buoyancy, chemical reactions

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Chemical properties