1. Physical and Chemical Changes
Physical and Chemical Changes.ppt

2. Physical Changes
Changes to matter in which composition of the matter stays the same.

3. Examples of Physical Changes
Change of shape

4. Examples of Physical Changes
Dissolving

5. Examples of Physical Changes
State of Matter

6. Chemical Changes
Changes in matter in which a new substance is formed. They are not easily reversed.

7. Signs of Chemical Changes
Change of Color

8. Signs of Chemical Changes
Energy is absorbed or given off

9. Signs of Chemical Changes
Change in odor

10. Signs of Chemical Changes
Formation of a gas or solid

11. Examples of Chemical Changes
Rusting

12. Examples of Chemical Changes
Tarnishing

13. Examples of Chemical Changes
Burning

14. Examples of Chemical Changes
Food Cooking or Spoiling