Describing Matter

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					Describing Matter
    Physical Property
Physical  Property- any
characteristic of a
material that you can
observe.
  Physical Property Ex
   Color, Shape, Size,
Ex:
Density, Length and
Temperature.
    Physical Change
Physical  Change- the
change in the
appearance of the object
(size, shape or state of
matter).
   Physical Change Ex
Breaking  a pencil
Sublimation,
Evaporation
Condensation
Painting a table
   Chemical Property
Chemical   Property- a
characteristic that
determines how a
substance will change.
  Chemical Property Ex
Flammable
Combustible
Photosensitive
   Chemical Change
Chemical  Change- the
changing of one
substance into another
substance.
  Chemical Change Ex
Ex:  Fireworks, Matches
 Burning, Egg Rotting
Anything burning,
 rusting or corrosive.
Law of Conservation of Mass

Law  of Conservation
of Mass- in a chemical
reaction, mass can not
be created or destroyed.
The  mass of a substance
 before a chemical
 reaction will equal the
 mass after the chemical
 reaction.
There will be no change
 in the mass.
Law of Conservation of Mass

Ex:  Burning of a log.
The mass of the ashes,
 oxygen, smoke and
 gases equal the mass of
 the log.

				
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posted:9/16/2012
language:English
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