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.