1. Physical and Chemical Properties and Changes

2. Physical Properties: The characteristics of a substance that can be observed without changing the identity of the substance.

3. Chemical Properties: Chemical properties describe how substances can form new substances.

4. Physical Change:
Physical change is a change that in the physical properties of a substance but, does not change the identity of the substance.

5. Physical Changes Clues of Physical Changes: A change in shape.
A change in size.
A change in the state or phase of matter.
Dissolving
Sometimes a color change.
Melting, freezing, boiling, evaporation, condensation, and sublimation.

6. Scientific Terms Malleability Ductility Luster Solubility Viscosity
Buoyancy
Density
Mass
Volume

7. Examples of Physical Changes:
Ice melting
A pencil sharpened
Water boiling
The formation of dew
Dissolving Kool-Aid
A candle melting

8. Examples of Physical Changes:

9. Chemical Change:
Chemical change is the change of one substance into another substance.

10. Chemical Changes Clues of Chemical Changes: Foaming, fizzing.
A change in odor.
Rapid production of heat, light, or sound.
Color change.
Formation of precipitate.
New substance formed.

11. Scientific Terms
Flammability
Combustibility
Oxidation
Reactivity

12. Examples of Chemical Changes:
Photosynthesis
Fireworks exploding
Yeast bread rising
A bike rusting
Antacid dissolved in water
Anything burning
Rotting food
Silver tarnishing

13. Examples of Chemical Changes