jan 1, 4200 BC - Copper
Description:
-extracted in an ancient copper kiln
-discoverd in the Stone age
The Stone Age was a prehistoric period during which stone was widely used to make weaponry and other tools. The period lasted roughly 3.4 million years and ended between 8700 BCE and 2000 BC.
-Copper is used for:
-Because it is such a good conductor of electricity, copper is mostly used in electrical generators and motors, for electrical wiring, and in electronic goods, such as radio and TV sets.
-Jewellery
-Cooking utensils
-Jewellery
Copper has to be extracted from its ores through a series of physical and mainly chemical procedures.
Added to timeline:
Metals timeline
Date:
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