Week 1: Metals Using the books/internet find out about the following things using mind maps, notes, sketches or lists etc. Ferrous, non-ferrous, alloys.

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Presentation transcript:

Week 1: Metals Using the books/internet find out about the following things using mind maps, notes, sketches or lists etc. Ferrous, non-ferrous, alloys Properties of metals What metals corrode How to protect metals from corrosion Where certain metals are used How to join or fabricate metals (Weld, braise, bolted, rivets) How to work metals (Marking out, cutting) How to finish metals (Painting, polishing, dip-coating)

Week 1: Metals

Questions 1.Where do metals originate from? [1] 2.Describe what a ferrous metal is? [1] 3.Describe what a non ferrous metal is? [1] 4.Describe what an alloy is? [1] 5.How are alloys produced that have different properties? [1] 6.Explain the following properties: Brittleness [1] Elasticity [1] Malleability [1] 7. What ferrous metal has a carbon content of 15%? [1]

8. Name a suitable ferrous metal that could be used in the kitchen? [1] 9. Explain you answer for the previous question. [1] 10. What is the common type of corrosion found on ferrous metals called? [1] 11. How could this corrosion be prevented? [1] 12. Describe the properties of zinc. [1] 13. Where might lead be used? [1] 14. Why is copper used in electronic circuitry? [1] Questions

15. What is the main difference between ferrous and non ferrous metals? [1] 16. Brass contains 65% copper and 35% zinc. True or False? [1] 17. What is pewter used for? [1] 18. Give two examples of an alloy[2] 19. Give two examples of a non-ferrous metal.[2] 20. Give two examples of a ferrous metal.[2] Questions

Answers 1.Ore 2.Contain Iron, rusts, magnetic 3.Do not contain iron, do not rust is not magnetic 4.Two or more metals 5.Mixing different metals 6.Explain the following properties… Will break easily without bending Return to its original shape Easily pressed, spread or hammered 7. Tool steel 8. Stainless steel 9. Does not rust, easy to clean 10. Rust

Answers 11.Remove from moisture, paint, anodise 12. Weak, resistant to moisture, malleable 13. Flashing on roof tops 14. Excellent conductor of electricity 15. Ferrous contains iron, non ferrous doesn’t 16. True 17. Tankards, jewellery, decorative metal work 18. Brass, Gilding metal, Pewter, Casting Alloy, Duralumin 19. Aluminium, Copper, Lead, Tin, Zinc 20. Mild Steel, Cast Iron, Tool Steel, Stainless steel, High Speed Steel

Metals exam question Answers