GCSE DT STUDY REVIEW TEST CORRECTLY SOLVED.
Hardwood - CORRECT ANSWER Timbers from deciduous trees e.g. oak, mahogany, beech, ash
Softwood - CORRECT ANSWER Timbers from coniferous trees
Oak - CORRECT ANSWER Hardwood. Hard, tough, durable, high density. Used in high-quality furniture and ...
Hardwood - CORRECT ANSWER Timbers from deciduous trees e.g. oak, mahogany, beech, ash
Softwood - CORRECT ANSWER Timbers from coniferous trees
Oak - CORRECT ANSWER Hardwood. Hard, tough, durable, high density. Used in high-quality furniture
and boat building. Finishes well, but contains an acid that corrodes steel
Mahogany - CORRECT ANSWER Hardwood. Durable, medium density. Used in indoor furniture, window
frames. Finishes well, but is prone to warping.
Beech - CORRECT ANSWER Hardwood. Hard, tough. Used in workshop benches, children's toys. Turns
and finishes well, but is prone to warping.
Ash - CORRECT ANSWER Hardwood. Tough, flexible, good elasticity. Used for ladders, sports equipment.
Is flexible, but can splinter
Pine - CORRECT ANSWER Softwood. Lightweight. Used in garden decking, floorboards, children's toys.
Has a nice colour and grain pattern, but is prone to warping and knots can fall out and leave holes.
Plywood - CORRECT ANSWER Manufactured board. Very strong, resistant to splintering. Used in boat
building, drawers etc. Available in large sheets, thick sheets will not warp, can be laminated. Thin sheets
v. felxibile and will warp
Chipboard - CORRECT ANSWER Manufactured board. Not v. resistant to water, strong in all directions.
Used for large floor boards and decking, and flatpack furniture etc. Makes good use of waste materials.
Not v. good around water, will chip and flake on edges
, Medium Density Fibreboard (MDF) - CORRECT ANSWER Manufactured board. V. dense, stable and not
affected by changing humidity levels. used for flatpack furniture, drawers etc. Thin sheets can make 2D
shapes. Not v. good with water.
Hardboard - CORRECT ANSWER Manufactured board. Used for drawer bottoms, cabinets etc. Cheapest
manufacture board. Not v. strong
Ferrous Metal - CORRECT ANSWER Composed mainly of ferrite or iron. Is likely to be magnetic.
Non-Ferrous Metal - CORRECT ANSWER Contains no iron, and consists almost entirely of pure metals
Alloy - CORRECT ANSWER A metal formed by mixing two or more metals or elements together.
Mild Steel - CORRECT ANSWER Ferrous metal. Tough, malleable, magnetic. Used for structural girders,
car body panels. Easily worked and joined, cheap, can be recycled. Will rust, can only be case hardened.
Stainless Steel - CORRECT ANSWER Ferrous metal. Hard, tough, corrosion resistant. Used in cutlery,
kitchen sinks, pots and pans etc. Easily cleaned, can be recycled, high lustre finish. Difficult to use and
join - specialist welding equipment required.
Carbon Steel - CORRECT ANSWER Ferrous metal. Ductile. Used for nails, screws, nuts etc. Can be
recycled. Will rust, can easily be heat treated
Aluminium - CORRECT ANSWER Non-ferrous metal. Lightweight, soft, ductile, malleable, good
conductor, good corrosion resistance. Used for cans, window frames, kitchen foil. Easily drawn into
wires and sheets, easily cast, can be recycled. Expensive, difficult to weld.
Copper - CORRECT ANSWER Non-ferrous metal. Malleable, ductile, good conductor, corrosion resistant.
Used in electrical cables, plumbing fittings and pipes etc. Easily drawn into wires, can be recycled, easily
soldered. Exspensive, will tarnosh over time
Zinc - CORRECT ANSWER Non-ferrous metal. Corrosion resistant. Used in protective coverings, negative
battery terminals. Can be recycled. Brittle
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