RM 4.0 / 5 based on 2 ratings ? Design & Technology: Resistant MaterialsMaterialsGCSEAQA Created by: lucyslater1Created on: 03-02-17 20:34 What type of trees do soft woods come from? Coniferous 1 of 22 What type of trees do hardwoods come from? Deciduous 2 of 22 Name 5 types of hardwood. Oak, Beech, Ash, Mahogany, Teak 3 of 22 What are the properties of Ash? (Hardwood) Flexible, rough, open-grained, light, creamy-brown colour. 4 of 22 What are the properties of Beech? (Hardwood) Pinkish-brown in colour, close-grained, hard, tough, strong 5 of 22 Where are most metals extracted from? Their ores 6 of 22 What do ferrous metals contain? Iron, carbon and other elements 7 of 22 Name 3 types of ferrous metal. Stainless Steel, Cast Iron, Toot Steel 8 of 22 What do non-ferrous metal not contain? Iron. 9 of 22 Which metal is more prone to rusting? and why? Ferrous because of the iron it contains. 10 of 22 What are alloys and example of? Combined Materials. 11 of 22 Name 5 types of non-ferrous metal. Aluminium, Copper, Lead, Tin, Zinc, Gold, Silver 12 of 22 Name 3 types of alloys. Broass, Pewter, Casting Alloy, Guilding Metal, Duralumin 13 of 22 How are manufactured boards made? gluing together wood layers, or wood fibres. 14 of 22 What are the advantages of using manufactured board? Available in large sheets, stable, easy to work with 15 of 22 What are the disadvantages of manufactured board? More expensive, not as attractive. 16 of 22 Name 5 examples of Manufactured board. Medium Density Fibreboard (MDF), Hardboard, Chip Board, Plywood, Blockboard. 17 of 22 What are the two types of plastics? Thermosetting plastics and Thermoplastics 18 of 22 What are the properties of thermosetting plastics? They are heated and moulded, they can't soften if reheated because the polymer chains become interlinked. 19 of 22 Name 5 types of thermoplastics. Polythene (High Density - HDPE), Polythene (Low Density - LDPE), Polupropylene (PP), High Impact Polystyrene (HIPS), Nylon (Polymide), Acrylic. 20 of 22 What are the properties of thermoplastics? They can be shaped when they're hot because they can change shape when heated, this is called post forming. 21 of 22 Name 3 types of thermosetting plastics. Epoxy Resin, Urea Foraldehyde, Polyester Resin, Nalamine Formaldehyde, Phenol Formaldehyde 22 of 22
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