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A physical change is any change that doesn't affect substance's chemical makeup or chemical properties.

Physical changes include (but aren't limited to): a substance being crushed, cut, torn apart, or powdered.

For example, cutting a big log into smaller pieces is a PHYSICAL change (because the wood has the same properties before and after being cut), whereas burning the wood would require changing the chemical makeup of the wood (thus being a CHEMICAL change).

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14y ago

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