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AQA GCSE DT > 1.6 Materials > Flashcards

1.6 Materials Flashcards

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1
Q

Properties of bleed proof paper?

A

smooth, prevents marker bleeds

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2
Q

Uses of bleed proof paper?

A

presentation drawings

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3
Q

Properties of cartridge paper?

A

good quality white paper often with texture

- different weights

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4
Q

uses of cartridge paper?

A

paints, markers and drawings

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5
Q

Properties of grid paper?

A

paper printed with different grids as guidelines

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6
Q

uses of grid paper?

A

quick model drawings and working drawings

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7
Q

Properties of layout paper?

A

thin translucent and lightweight

can be used with markers and takes colour

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8
Q

uses of layout paper?

A

initial quick sketching and drawing

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9
Q

properties of tracing paper?

A

thin and transparent

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10
Q

Uses of tracing paper?

A

tracing copies of drawings

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11
Q

What is paper always less then?

A

200gsm

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12
Q

What are boards always more then?

A

200gsm, and 2,5mm thick

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13
Q

Properties of corrugated card?

A

Strong, lightweight
made of two or more layers
fluted middle section for good insulating
get different thickness

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14
Q

Uses of corrugated card?

A

packaging such as pizza boxes, large boxes for heavy items

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15
Q

Properties of duplex card?

A

thin board, one side suitable for painting

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16
Q

Uses of duplex card?

A

food packaging

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17
Q

Properties of Foil-lined board?

A

board covered on one side with aluminium foil

good insulator

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18
Q

Uses of foil lined board?

A

takeaway or ready meal packaging

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19
Q

Properties of foam core board?

A

two pieces with core of foam to increase thickness

thick, very lightweight

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20
Q

Uses of foam core board?

A

model making ( architectural models)

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21
Q

Properties of inkjet card?

A

treated for use in inkjet printers

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22
Q

Uses of inkjet card?

A

printing in inkjet printers

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23
Q

Properties of solid white board?

A

top quality cardboard, smooth and white

good for painting on

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24
Q

Uses of solid white board?

A

book covers

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25
Q

What two groups can timber be categorised into?

A

soft and hardwoods

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26
Q

What is a hard wood?

A

wood from deciduous tree

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27
Q

What is a softwood?

A

wood from evergreen tree

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28
Q

Name 5 hardwoods?

A 
ash
beech 
mahogany
oak
balsa
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29
Q

Properties of ash?

A

tough, flexible, wide grained, finishes well

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30
Q

Uses of ash?

A

sports equipment, ladders

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31
Q

Properties of beech?

A

hard, strong, close grain, prone to wrapping and splitting

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32
Q

Uses of beech?

A

furniture
kids toys
workshop tool handles
bench tops

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33
Q

Properties of mahogany?

A

strong and durable
available in wide planks
fairly easy to work

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34
Q

Uses of mahogany?

A

good quality furniture, panelling and venders

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35
Q

Properties of oak?

A

hard, tough, durable, open grain

high standard finish

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36
Q

Uses of oak?

A

timber framed buildings, flooring, high quality furniture

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37
Q

Properties of balsa?

A

strong, durable, lightweight, easy to work

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38
Q

Uses of balsa?

A

model making, floats, rafts

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39
Q

Name 3 softwoods?

A

larch
pine
spruce

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40
Q

Properties of larch?

A 
reddish
striking grain
tough but easy to work
prone to spliting 
natural resistant to rot
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41
Q

Uses of larch?

A

fencing, fence posts, decking

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42
Q

Properties of pine?

A

straight grained
yellow colour
soft and easy to work
can be knotty

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43
Q

Uses of pine?

A

interior joinery and furniture

window frames

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44
Q

Properties of spruce?

A

creamy white
lightweight
easy to work with small knots

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45
Q

Uses of spruce?

A

bedroom furniture

stringed instruments

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46
Q

What are the two categories for manufactured boards?

A

laminated boards and compressed boards

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47
Q

What are laminated boards?

A

glueing large sheets or vaneers together

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48
Q

What is a compressed board?

A

glueing particles, chips or flakes together under pressure

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49
Q

What are some advantages of manufactured boards?

A
  • large sheets
  • consistent throughout board
  • more stable then timber
  • make sue of low grade timber
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50
Q

Give three examples of manufactured boards?

A

MDF, plywood, chipboard

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51
Q

Properties of MDF?

A

smooth surface, compressed fibres of wood combined with a synthetic adhesive
strong

52
Q

Uses of MDF?

A

flat pack furniture, decretive mouldings and shop interiors

53
Q

Properties of Plywood?

A

laminated board made of several veneers of wood glued together
consistent strength due to odd layers
stiff

54
Q

Uses of Plywood?

A

laminated flooring, roofing, furniture

55
Q

Properties of chipboard?

A

made of large flakes or chips of timber glued together under pressure

56
Q

Uses of chipboard?

A

kitchen work surface, kitchen cupboards, flooring

57
Q

What two groups can metals be grouped into?

A

ferrous and non-ferrous metals

58
Q

What are ferrous metals?

A

metals that contain iron

59
Q

What are non-ferrous metals?

A

metals that do not contain iron

60
Q

Name 3 ferrous metals?

A

cast iron
low carbon steel
high carbon steel

61
Q

Properties of cast iron?

A

hard surface, brittle soft core
strong compressive strength
cheap

62
Q

Uses of cast iron?

A

vices, car break discs, cylinder blocks

63
Q

Properties of low carbon steel?

A

good tensile strength, tough, malleable

poor resistance to corrosion

64
Q

Uses of Low carbon steel?

A

car bodies, nuts, bolts and screws

65
Q

Properties of High carbon steel?

A

Hard but brittle

less tough and malleable then medium carbon steel

66
Q

Uses of High carbon steel?

A

screw drivers, chisels, taps and dies

67
Q

What is good about non- ferrous metals?

A

malleable properties and resistance to corrosion

68
Q

Properties of Aluminium?

A

Lightweight, soft, ductile, malleable
good conductor of electricity
corrosion resistant

69
Q

Properties of Copper?

A

extremely ductile and malleable
excellent conductor of heat and electricity
easily soldered and corrosion resistant

70
Q

Uses of aluminium?

A

aircraft bodies, cans, cooking pans

71
Q

Uses of copper?

A

plumbing fitting, hot water tanks

72
Q

Properties of Zinc?

A

weak in pure state
high level of corrosion resistance
low melting points
easily worked

73
Q

Uses of zinc?

A

as a galvanised coating, corrugated roofing

74
Q

Properties of Tin?

A

soft ductile and malleable
low melting point
excellent corrosion resistance

75
Q

uses of tin?

A

coating on food and drinks can

76
Q

What is an alloy?

A

a material that is produced by combining two or more elements together to produce a new material with refined properties

77
Q

Name three alloys?

A

brass- non- ferrous alloy
stainless steel ferrous alloy
duralumin

78
Q

Properties of brass alloy?

A

strong and ductile
casts well
corrosion resistant
conductor of heat and electricity

79
Q

Uses of brass alloy?

A

casting, taps and wood screws

80
Q

properties of stainless steel alloy?

A

hard and tough

excellent corrosion resistance

81
Q

Uses of stainless steel alloy?

A

sinks, cutlery, surgical equipment

82
Q

Properties of duralumin?

A

strong, soft and malleable
excellent corrosion resistance
light weight

83
Q

Uses of duralumin?

A

aircraft structure, fuel tanks

84
Q

What is a thermoforming polymer?

A

polymers that can be softened by heating, shaped and set over and over again

85
Q

name 6 thermoforming polymers?

A

acrylic, HIPS, HDPE, PP, PVC, PET

86
Q

What are thermosetting polymers?

A

polymers that can only be shaped and formed by heat once

87
Q

Name 5 thermosetting polymers

A

Epoxy resin, MF, PF, polyester resin, UF

88
Q

What are additives?

A

properties of polymers that can be further enhanced with additives

89
Q

What are fibres?

A

very fine hair like threads and are the basic building blocks of fabrics

90
Q

What are natural fibres?

A

fibres from plant and animal sources

91
Q

What are synthetic fibres?

A

fibres manufactured from oil based chemicals

92
Q

Name three natural fibres?

A

cotton, wool, silk

93
Q

name 3 synthetic fibres?

A

polyester, polamide, elastane

94
Q

What are blended or mixed fibres?

A

fabrics that contain two or more fibrest

95
Q

What are woven fabrics?

A

produced by interlacing two sets of yarns at right angles to each other on a machine called a loom

96
Q

What is a warp yarn?

A

runs length of fabric

97
Q

What is the weft yarn?

A

run across the width of fabric

98
Q

What is a selvedge?

A

at the edge where the weft yarn turns around a finished edge

99
Q

What is the bias of a fabric?

A

the interlacing of the warp and weft yarn making the fabric strong and stable

100
Q

Features of a plain weave fabric?

A

simple + cheap

firm strong hard wearing fabric

101
Q

What are non- woven fabrics?

A

made directly from fibres without being woven or knitted

102
Q

What are felted fabrics?

A

made from wool fibres and use the natural felting ability of the wool to cause the fibres to matt together using heat, mechanical action and moisture

103
Q

What are bonded fabrics?

A

made from webs of fibres which are held together in various ways: special adhesive
thermal bonding
stitching with a thread
needle punching

104
Q

Uses of bonded fabrics?

A

disposable items, interfacing and interlining

105
Q

Uses of felted fabrics?

A

hats, slippers, toys

106
Q

What are knitted fabrics

A

yarns are looped together to make looser more flexible fabrics

107
Q

What are the two types of knitted fabrics?

A

weft knit and warp knit

108
Q

Uses weft knit fabrics?

A

socks, jumper, t-shirt

109
Q

Uses of warp knit fabrics?

A

swimwear, underwear, net curtains

110
Q

What is fusibility?

A

how easily a material’s state can be altered to become a liquid

111
Q

What is electrical conductivity?

A

how easy electrical energy can pass through a material

112
Q

What is thermal conductivity?

A

how easily heat energy can pass through a material

113
Q

what is Resistance to moisture?

A

a materials ability to prevent liquid and moisture permeating the surface

114
Q

What is absorbency?

A

a materials ability to soak up and retain liquid, heat or light

115
Q

What is strength?

A

a materials ability to withstand a constant force without breaking

116
Q

What is tension?

A

force pulling outwards

117
Q

What is compression?

A

force pushing inwards

118
Q

What is shear force?

A

Two opposite forces

119
Q

What is torsion?

A

twisting of an object

120
Q

What is bending?

A

tension and compression

121
Q

What is density?

A

materials mass per unit volume

122
Q

What is toughness?

A

materials ability to withstand impact from a dynamic force

123
Q

What is malleability?

A

ability to be permanently deformed or shaped by impact rolling or pressing without it bending

124
Q

What is ductility?

A

materials ability to be drawn or pulled in to a long length or wire without breaking

125
Q

What is elasticity?

A

a measurement of a materials ability to stretch under force and return to its original shape without deformation when the force is removed

AQA GCSE DT (8 decks)

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