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ALLOYS
Copper, like nickel, is used in many alloys. Brass and bronze are only a few of the big names. Copper on its own is great for many uses. Scientists have learned that mixing a small amount of copper with other metals increases their strength and usefulness.
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PIPES AND WIRES
Pure copper is also used in many situations. The water pipes in your house are probably made out of copper and the wiring in your walls probably uses pure copper wire.
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COINS
While times have changed in the United States, pennies used to be made from copper. Now they aren't pure. Many other countries still use copper to make coins.
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ELECTRONICS
Copper is fantastic at conducting electricity. Engineers have been using copper in electronics for years.
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POISONS
Copper is great at building civilizations, but not very good for organisms. Many pesticides are made with small amounts of copper and moelcules that contain copper.
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