Physical Properties VS. Chemical Properties.
The difference between chemical and physical change is composition.
Physical Change
Example of Physical Change: If you sand a wooden board, it changes on the outside. This is Physical Change
Physical Change happens when something changes in a chemical substance, but not a chemical composition.
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Chemical Change
If something is happening but you can't see it, that's Chemical Change.
Example: Burning wood and souring milk are examples of Chemical Change.
Chemical Properties
Here are some Chemical Properties: Atomic Number, Atomic Mass, Density, Melting point and Boiling point.
