1. Properties and Changes
The difference between Physical and Chemical

2. (Look, Listen, Smell, Taste, & Touch)
Physical Property
Physical properties are used to observe and describe matter.
Physical properties any characteristics of a material that can be observed or measured without changing the composition of matter.
USE YOUR FIVE SENSES
(Look, Listen, Smell, Taste, & Touch)
Use this only when your teacher tells you it is safe.

3. Color Odor Texture Shape Physical Property Melting Point
State of Matter
Density
Boiling Point
Shape
Odor

4. Changing State of Matter
Physical Change
Changing the appearance of matter, but not changing the matter’s composition.
(NO NEW SUBSTANCE IS FORMED)
Only a change in a Physical Property
Changing State of Matter
Changing Size
Changing Color

5. Chemical Property
Chemical properties describe the matter’s "potential" to undergo some chemical change or reaction based on its composition.
It is difficult to define a chemical property without using the word “CHANGE”

6. In the correct conditions, some matter could be described as…
Chemical Property
In the correct conditions, some matter could be described as…

7. (Something NEW IS FORMED)
Chemical Change
Chemical change is any change that results in the formation of new substances.
(Something NEW IS FORMED)

8. Chemical Change Effervescence – Produces a Gas (Alka-seltzer)
Examples
Effervescence – Produces a Gas (Alka-seltzer)
Explosion – (Light or sound)
Oxidation – (Iron Rusting)
Decomposition – (Digestion)
Combustion – (Burning)