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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 [...]

What is metal? Chemistry

By |2018-04-24T14:46:23+00:00June 2nd, 2017|Chemistry|

Copper ore in Iran Metals are atoms that attach themselves to other atoms in a particular way. Metal atoms, because of how their electrons are arranged, lose their electrons easily. When they join up with other atoms to make molecules, metal atoms join together by exchanging electrons. Because metal atoms join other metal [...]

What is lead? Atoms, elements, chemistry

By |2018-04-24T14:44:10+00:00June 2nd, 2017|Chemistry|

A lump of lead As with all of the other heavier elements, all of the lead in the universe came originally from inside stars. Lead is the heaviest atom that is still stable, with 82 protons and 125 neutrons, just a little heavier than mercury. Unlike many other metals, lead does not conduct electricity [...]

Lead fishing weights – Science project

By |2018-04-16T17:41:53+00:00June 1st, 2017|Chemistry|

Lead weights used for fishing How heavy is lead? See for yourself how heavy lead weights are. Go to a sports store and get some small lead fishing weights (make sure they are lead ones). Compare lead to other metals Now get some other kind of metal: pennies are made of mostly zinc and [...]