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A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance.
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
physical
physical
A physical property can be observed without changing the substance into something else.
physical
there is no property that can be observed without somehow changing the identity of the object due to Heisenberg's Uncertainty Principle.