ANSWERS:
[Pencil]-A mixture of clay and graphite makes up the 'lead' in pencils.
[Table salt]-Salt is made of two minerals, sodium and chloride, which are essential for human life.
[Cellphone]-Copper in its raw nugget form.
A small disc of metallic tellurium.
Lithium ingots with black nitride tarnish.
Cobalt Elemental cobalt.
Manganese in various forms.
Tungsten.
[Car]-Made from many different minerals Their steel body is made from the iron-rich minerals like magnetite and hematite Door handles and badges are often coated in chromium which comes from the mineral chromite.
[Bridge]-Some of the main materials found on a bridge are steel, concrete, stone and asphalt. Other materials include iron, timber, aluminum, rubber and other joint materials.
