Friday, July 30th, 2010

What minerals are used for. HELP?

What are their uses? It’s a matching worksheet, and it doesn’t say anything on the internet or in the book. It’s for science.
____1.Sulfur
____2.Bauxite
____3.Cinnibar
____4.Gypsum
____5.Halite
____6.Diamond
____7.Argentite
____8.Galena
____9.Graphite
____10.Pyrite
____11.Hematite
____12.Magnetite
____13.Cassiterite
____14.Orthoclase feldspar
____15.Talc
____16.Flourite
____17.Beryl
____18.Quartz
CHOICES ON WHAT THEIR USES ARE
a. Pencil lead
b.glass,lens,and sandpaper
c.aluminum pop cans
d.medicines and batteries
e. lead sinkers,batteries and paint
f.iron for steel and color pigments
g. airplanes and bicycle [...]