Chemistry / Unit 1 Chem 0061 short lesson, about 20 seconds
Physical Property
Captions available
The idea
A physical property is a characteristic of matter that can be observed without changing the substance's chemical composition.
In practice
The color and density of a copper wire can both be observed without turning the copper into anything else.
Where people slip
Some physical properties, like a melting point, only appear once the substance undergoes a physical change — that change is still not a chemical one.
Your place on the trail
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