Aluminum is an abundant metal
that has many uses. It comes from Bauxite which contains many substances
as well as aluminum. Workmen extract these other substances By grinding
the Bauxite. They then put the Bauxite in pressure tanks and the other
substances form a mass. Using filters they remove the mass leaving only
a liquid. After putting the liquid through many other processes it at last
Becomes a chemical. This chemical is a powdery, white substance called
alumina. Alumina is a mixture of Aluminum and oxygen, which is later separated
by electricity that produces a metal. This metal is light in weight and
has a bright silvery luster. This metal comes in many different forms,
one of them being aluminum, which is used in many different ways. |