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Product Design 2022-23 > PD GCSE Year 10 > Flashcards

PD GCSE Year 10 Flashcards

1
Q

property

A

Anything that describes the appearance or structure of a material or how it reacts to forces or elements.

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2
Q

mechanical properties

A

Properties associated with how a material reacts to external forces.

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3
Q

strength

A

The ability of a material to withstand a force without breaking or bending permanently.

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4
Q

compressive strength

A

The ability of a material to withstand a ‘squashing’ force.

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5
Q

tensile strength

A

The ability of a material to withstand a pulling/stretching force.

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6
Q

malleability

A

The ability of a material to permanently change shape by being pressed or rolled.

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7
Q

elasticity

A

The ability of a material to return to its original shape after it has been deformed.

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8
Q

plasticity

A

The ability of a material to change shape permanently without cracking or breaking.

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9
Q

ductility

A

The ability of a material to permanently change shape by being

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10
Q

hardness

A

The ability of a material to withstand scratching, cutting or denting.

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11
Q

toughness

A

The ability of a material to withstand sudden shock, without breaking or denting.

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12
Q

brittleness

A

When a material cannot absorb energy resulting in the material breaking into pieces - opposite to toughness.

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13
Q

durability

A

The ability of a material to withstand wear, tear and weathering (deterioration).

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14
Q

stiffness

A

The ability of a material to resist bending.

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15
Q

stability

A

The ability of a material to resist changes in shape over time.

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16
Q

physical properties

A

Properties associated with the appearance & structure of a material.

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17
Q

aesthetics

A

The appearance of a material.

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18
Q

density

A

The compactness of a material.

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19
Q

transparency

A

The amount of light transmitted through materials.

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20
Q

texture

A

The feel of a material.

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21
Q

thermal conductivity

A

The ability of a material to allow heat to flow through it.

22
Q

electrical conductivity

A

The ability of a material to allow electricity to flow through it.

23
Q

non toxic

A

Not poisonous.

24
Q

water resistant

A

The ability of a material to resist ta liquid passing through it to some degree.

25
Q

waterproof

A

The ability of a material to completely resit a liquid passing through it.

26
Q

hardwood

A

Timbers from deciduous trees (those that lose their leaves). Expensive due to not being sustainable.

27
Q

softwood

A

Timbers from coniferous trees (evergreens that don’t lose their leaves/needles). Relatively cheap as sustainable.

28
Q

manufactured boards

A

Boards made by binding natural timber fibres or thin layers together.

29
Q

synthetic polymers

A

Synthetic material mostly made from oil – usually called plastic.

30
Q

thermosetting polymer

A

a polymer (plastic) that cannot be reshaped by heating – non-recyclable.

31
Q

thermoforming polymer

A

Polymers/plastics that can be reshaped by the application of heat – can be recycled into other products.

32
Q

acrylic

A

A type of plastic made from acrylic acid.

33
Q

ferrous metals

A

Metals that contain iron & are magnetic.

34
Q

non- ferrous

A

Metals that do not contain iron & are not magnetic.

35
Q

alloys

A

Metals that contain two or more elements.

36
Q

corrosion

A

The deterioration of a metal due to its environment.

37
Q

board

A

Thick paper or layers of paper more than 220gsm.

38
Q

Corrugated card

A

Two or more layers of fluted paper sandwiched between two paper liners. Used as protective packaging due to its impact resistance.

39
Q

fabrics

A

A flexible material constructed from fibres.

40
Q

synthetic fibres

A

Artificially made fibres.

41
Q

natural fibres

A

Fibres from plant (such as cotton) or animal (such as wool) sources.

42
Q

woven

A

A fabric constructed by yarns running vertically and horizontally.

43
Q

knitted

A

Fabrics that are constructed by looping the yarns together.

44
Q

non-woven

A

Fabrics constructed by bonding staple fibres together.

45
Q

composite

A

A material made of different materials bonded together. Adding other materials to a timber product can improve its properties.

46
Q

fibreglass - GRP

A

A composite used to make a strong, hardwearing, waterproof shell around a wooden beam,

47
Q

plywood

A

A manufactured board made up of veneers bonded with glue to produce a flat sheet

48
Q

smart materials

A

Materials that react with an external stimuli such as temperature, light, sound or movement

49
Q

modern materials

A

Manmade materials that have been developed to improve their properties

50
Q

technical textiles

A

Textiles that have been developed for their function rather than appearance.

Product Design 2022-23 (2 decks)

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