Physical and Chemical changes

by Justin Reaves

Physical Properties

Any characteristic of a material that can be observed or measured without changing the identity of the material.


examples

-1 color and shape.

- 2 length and mass.

- 3 volume and density.

Chimical Change

A change in the identity of a substance due to the chimical properties of that substance.


examples

-1 Flammability

-2 Reacts with oxygen

-3 heat and light

-4 Electricity

Chemical properties

Any charcteristic that gives a substance the abilitiy to undergo a change that results in a new substance.


examples

-1 Flammability

-2 Reacts with oxygen.

Phisical Change

The physical property of a substance change but the identity of the substance does not change.


examples


-1 slicing bread ,-2 melting ice,-3 mowing the lawn.