A physical property can be observed
with your 5 senses without having to
change the substance.
Examples:
A chemical property cannot be
observed through senses; it is
dependent on the chemical make up
of a
substance.
Phase of Matter,
Examples:
Flexibility,
Flammability
Temperature,
Ability to react with
Odor,
Oxygen or Vinegar
Texture or Color
A physical property alters the form or
A chemical change is when a
appearance of matter but does not
substance transforms in to one or
change the molecular composition.
more new substances. Usually not
Usually reversible.
easily reversible.
Examples:
Examples:
Phase change (freezing + melting water)
Oxidation
Combustion
Sugar dissolving
Soured milk
Electrolysis
Salt dissolving
Tarnishing
Burning
Breaking a cookie
Creation of CO2 gas/Bubbling
Crushing a can
**TWO or more changes
Tearing paper
indicates a chemical change**