The use of metals is said to be the thing that makes people different from animals. Before they used metals, people made tools from stones, wood, and animal bones.
No-one knows when the first metal was found and used. It was probably what is called native copper, which is sometimes found in large lumps on the ground. People learned to make this into copper tools and other things, although, for a metal, it is quite soft. When it was melted over fire, people learned how to make an alloy called bronze, which is much harder and stronger than copper. People made knives and weapons from bronze.
Metals have been very important in human history and civilization. Iron and steel were important in the making of machines. Gold and silver were used as money in order to allow people to trade, that is, exchange goods and services over long distances.
Many people thought that finding metals was a way to get rich. Here is a list of Metals used in Alchemy :
Last updated: February 28, 2014 at 12:15 pm
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