Aluminum is an abundant metal
that has many uses. Aluminum comes from a clay like ore called Bauxite.
Aluminum also contains several other substances that workmen extract from
the Bauxite. To do this the workmen grind the Bauxite, then put it in pressurized
tanks. In the tank the Bauxite forms a mass, they remove the mass with
filters so only a liquid is left. After that, they put it through several
other processes, until it yeilds a powdery white chemical call alumina.
Alumina is a mixture that contains aluminum and oxygen. To produce the
metal, workmen seperate the aluminum from the oxygen using electricity.
When the process is done aluminum is a bright silvery metal that comes
in many forms. |