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.