Physical change
what is the definition for idenity theft
a physical change will only alter the appearance but will NOT change the substance to another substance =)
Chemical Change.
burning the substance.
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A physical change does not change the substance.
Its the change of one substance into another substance.
chemical change
The mass of a substance does not change when the amount of the substance changes. The temperature of a substance does not change when the amount of the substance changes. However, the volume of a substance may change when the amount of the substance changes, depending on the conditions.
Chemical change
a physical change is a change in any physical property of a substance, not in the substance itself
a physical change is a change in any physical property of a substance, not in the substance itself