Aluminum is a metal that is
very common and has many uses. Aluminum comes from Bauxite which is an
ore. Bauxite looks like clay and contains aluminum and several other substances.
Workmen extract these other substances from Bauxite. The Workmen then grind
the bauxite and the place it in pressurized tanks. The other substances
leaves a mass which is removed through filters leaving it in a liquid state.
They then put it through several other processes which finally yields a
chemical. Alumina, a powdery white chemical is produced. Alumina is a mixture
that contains aluminum and oxygen. Workmen seperate the Aluminuim from
the oxygen with electricity. They finally produce a light metal that has
a bright, silvery luster. This type of metal comes in several different
varities. |