The reason we so rarely see pure iron is that it combines readily You can hammer iron into sheets and draw it into wires. It's just soft enough to cut through (with quite a bit of difficulty) Pure iron is a silvery-white metal that's easy to work and shape and It behaves by itself) and its chemical properties (how it combinesĪnd reacts with other elements and compounds). (iron combined with carbon and other elements), which we'll explainĪ different matter altogether. You might think of iron as a hard, strong metal tough enough to Silver courtesy of US Geological Survey Photographic Library. University Department of Geology, Provo, Utah. From the mineral collection of Brigham Young Photo: A sample of iron from a meteorite (next
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Of Ironbridge in Shropshire, England was named. Photo: The world's first cast-iron bridge, after which the village
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Let's take a closer look at these two superb materials and find out what Human-made objects, from cutlery to warships, skyscrapers, and space Combined with varying (but tiny) amounts of carbon, iron makesĪ much stronger material called steel, used Revolution, but it's also an essential element in plant and animal Metals, it became an important building block of the Industrial
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Hugely versatile, and one of the strongest and cheapest The fourth most common element in Earth's crust, iron has been in Tower, the Capitol, the Statue of Liberty-and you'll be thinking of iron.