Matter
"is the material
of the universe" (S.S, Zumdahl):
Stars, water,
air, soil, meat, ...... and their building units, molecules, atoms, protons,
neutrons, electrons.
Substance
is
Matter, you can see, touch, smell:
everything
that has as mass and a volume. (... everything that
weighs and needs space)
Fig.
1: Water, a colourless transparent substance is of highest importance:
More than half of the earth´s surface and
most of all creature is made of it.
Fig.
2: A grain of sugar,
salt
and citric acid
are white substances.
Fig.
3: The wood
of a match and its read head
are two different substances with different colours,
The coal
left after the combustion of the match is a black brittle substance.
Fig.
4: Red rust
is another brittle substance which is made from steel
which is a flexible substance with a silvery shine.
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last modification: 20.01.2006