Physical changes alter the form of a substance without changing its chemical composition, while chemical changes result in the formation of new substances.
Physical Change: A physical change is a type of change that alters the form of a substance without changing its chemical composition. Examples include changes in state like melting, freezing, or evaporating.
Chemical Change: A chemical change is a process that results in the formation of new substances with different chemical properties. Examples include burning of wood, rusting of iron, or baking a cake.
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