Iron is the cheapest, most useful, most important, and the one of the most abundant metals on the earth. When heated up to high temperatures, iron is very malleable, and is used in jewelry and it is used to make many large structures, such as sky-scrapers. Iron is a shiny silver metal that can be found all over the universe, and has been known since the biblical times. Smelted iron artifacts have been dated as …showed first 75 words of 1106 total…

…showed last 75 words of 1106 total…