| Aluminum is an abundant metal
that has many uses. It comes from bauxite which is an ore that looks like
clay Bauxite contains aluminum and several other substances which workmen
extract from the bauxite. They grind the bauxite and put it into pressurized
tanks. The other substances for mass that is removed with filters untill
only a liquid remains. They put it through several other processes until
it finally yields a white powdery chemical. The chemical is called alumina
which is a mixture of aluminum and oxygen. Workmen use electricity to seperate
the aluminum from the oxygen. They finally produce a light metal that has
a bright silvery luster. The metal comes in many forms. |