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What is lead? A heavy kind of metal

By |2018-04-11T18:24:13+00:00September 6th, 2017|Religion, Romans, Science|

A Roman anchor from Palermo, Italy Lead is a kind of metal that is very heavy. (See if you can get some lead, like a fishing weight, to see how heavy it is). People have been mining lead and using it for weights in West Asia since about 4000 BC, about the same time people started to use copper, and before [...]