| Aluminum is a metal that has
many uses. Aluminum comes from bauxite, bauxite looks like clay and contains
aluminum. Workmen extract the substances from the bauxite by grinding it
and then putting it in pressurized tanks. The chemicals are separated in
the tanks and the non useable chemicals are thrown away. The chemical they
use is called alumina it is white and powdery. The mixture alumina contains
aluminum and oxygen. Workmen then use electricity to separate the aluminum
from the oxygen. The final product is a bright, shiny metal. |