Earth Science Quiz 8
alloy
A metal mixture.
iron
An abundant metal that is the primary ingredient of steel.
synthetic
Lab generated gemstones that have the same appearance and chemical content as natural gemstones.
lead
Metal used for radiation shielding, automobile batteries, and small arms ammunition.
beryl
Mineral class to which emeralds and aquamarines belong.
corundum
Mineral class to which rubies and sapphires belong.
copper
Reddish-orange metal often used for electrical wiring.
aluminum
The most abundant metal in the earth's crust that is a lightweight, silvery metal used to make aircraft parts, auto wheels, kitchen foil, and soft drink cans.
precious stone
The rarest, most durable and most beautiful minerals. They are prized for their hardness, color and "fire".
platinum
White-gray metal more valuable than gold or silver.
