1. Chemical and Physical Changes
What they are and how they are different

2. Physical Chemical Change Change
Definition :
A change that alters the form or appearance of a material but does not make that material into another substance.
Definition:
A change in which one or more substances combine or break apart to form new substances.

3. Properties Physical change Chemical Change
Changes appearance or texure
New shape
Color change
Bubbles or gas formed
Change in odor
Production of heat or light