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What type of trees do soft woods come from?
Coniferous
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What type of trees do hardwoods come from?
Deciduous
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Name 5 types of hardwood.
Oak, Beech, Ash, Mahogany, Teak
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What are the properties of Ash? (Hardwood)
Flexible, rough, open-grained, light, creamy-brown colour.
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What are the properties of Beech? (Hardwood)
Pinkish-brown in colour, close-grained, hard, tough, strong
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Where are most metals extracted from?
Their ores
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What do ferrous metals contain?
Iron, carbon and other elements
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Name 3 types of ferrous metal.
Stainless Steel, Cast Iron, Toot Steel
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What do non-ferrous metal not contain?
Iron.
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Which metal is more prone to rusting? and why?
Ferrous because of the iron it contains.
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What are alloys and example of?
Combined Materials.
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Name 5 types of non-ferrous metal.
Aluminium, Copper, Lead, Tin, Zinc, Gold, Silver
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Name 3 types of alloys.
Broass, Pewter, Casting Alloy, Guilding Metal, Duralumin
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How are manufactured boards made?
gluing together wood layers, or wood fibres.
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What are the advantages of using manufactured board?
Available in large sheets, stable, easy to work with
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What are the disadvantages of manufactured board?
More expensive, not as attractive.
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Name 5 examples of Manufactured board.
Medium Density Fibreboard (MDF), Hardboard, Chip Board, Plywood, Blockboard.
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What are the two types of plastics?
Thermosetting plastics and Thermoplastics
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What are the properties of thermosetting plastics?
They are heated and moulded, they can't soften if reheated because the polymer chains become interlinked.
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Name 5 types of thermoplastics.
Polythene (High Density - HDPE), Polythene (Low Density - LDPE), Polupropylene (PP), High Impact Polystyrene (HIPS), Nylon (Polymide), Acrylic.
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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.
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Name 3 types of thermosetting plastics.
Epoxy Resin, Urea Foraldehyde, Polyester Resin, Nalamine Formaldehyde, Phenol Formaldehyde
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Other cards in this set

Card 2

Front

What type of trees do hardwoods come from?

Back

Deciduous

Card 3

Front

Name 5 types of hardwood.

Back

Preview of the front of card 3

Card 4

Front

What are the properties of Ash? (Hardwood)

Back

Preview of the front of card 4

Card 5

Front

What are the properties of Beech? (Hardwood)

Back

Preview of the front of card 5
View more cards

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