Copper Research Paper

Logan Polchert

Science-6

Ms. Kendl

1/8/18

Copper

History

Copper has been around for a while, since the prehistoric age. It's the oldest metal used by man. It's also the first metal used by man, as well. In fact, one of the stages in human history in named after bronze, a copper alloy. Since copper is resistant to corrosion, it has been popular from the Middle ages to today. The Egyptians used copper in their hieroglyphs. The Romans got their copper from ores. Since 1447 to today, copper has been in high demand. In the 15th century, copper was used for printing plates and in 1793, pennies were made out of 100% copper. Resistance To Corrosiveness

Copper has a natural resistance to corrosiveness. Instead of rusting, copper oxidizes, meaning it turns green. The reason why is copper has a protective film that covers it. This film is special because of its use to copper. But remember, copper is resistant not immune. The reason why it's resistant not immune is because the film can be destroyed if the corrosiveness is at that level of aggressiveness. Another reason why this film is special because if it's destroyed in soil, it can basically regenerate. Some of the levels of resistance in some copper pipes or ingots were enough to last since the Egyptians used copper pipes to carry water into their cities.

It has a lot of alloys. One of its alloys is bronze. Bronze is almost exclusively made from copper. Another alloy is nickel. Copper is in some of the pesticides and other poisons that we people own. The amount of copper that goes into these poisons is a small amount. It can as small as a molecule the has copper in it that goes into the poisons. Copper pipes are used to carry water into houses. Copper can conduct electricity, so it is used in a lot of