DT revision 0.0 / 5 ? Design & Technology: Systems & Control TechnologyDT test Years 7-9 (KS3)None Created by: Amelia11rCreated on: 14-12-22 13:55 What is an alloy Something composed of more than one metal 1 of 11 What is pewter made of 96% tin 4% copper 2 of 11 Is it a soft or hard metal Soft metal 3 of 11 Does it have a low or high melting point Low around 230c 4 of 11 How are metals made By extracting metal ores from rocks in the earths crust-mining 5 of 11 What are the 2 categories of metal Ferrous and non-ferrous metals 6 of 11 What is a ferrous metal Contains iron, will corrode quickly and easily 7 of 11 Examples of ferrous metals Mild steel Carbon steel Stainless steel Cast iron Wrought iron 8 of 11 What are non-ferrous metals Metals that don’t contain iron, resistant to corrosion, better electrical conductors, more expensive 9 of 11 Examples of non-ferrous metals Aluminium Copper Tin 10 of 11 Examples of alloys Brass Bronze Pewter Lead/tin solder 11 of 11
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