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IGCSE FLASH CARDS > DT 1-3 > Flashcards

DT 1-3 Flashcards

(48 cards)

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1
Q

State the properties of Thermoplastics (3)

A

Can melt and reshape, flexible

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2
Q

State the properties of Thermosetting plastics (3)

A

Hard, heat-resistant, cannot reshape

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3
Q

State the properties of Hardwoods (3)

A

Strong, durable, slower to grow

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4
Q

State the properties of Softwoods (3)

A

Lightweight, easier to cut, faster to grow

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5
Q

State the properties of Ferrous metals (3)

A

Strong, magnetic, can rust

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6
Q

State the properties of Non-ferrous metals (3)

A

Light, non-magnetic, resist corrosion

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7
Q

Common uses of Thermoplastics (2)

A

Signs, bottles

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8
Q

Common uses of Thermosetting plastics (2)

A

Adhesives, kitchenware

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9
Q

Common uses of Hardwoods (3)

A

Furniture, toys, flooring

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10
Q

Common uses of Softwoods (2)

A

Construction, outdoor furniture

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11
Q

Common uses of Ferrous metals (3)

A

Car bodies, tools, engine parts

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12
Q

Common uses of Non-ferrous metals (2)

A

Planes, wires

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13
Q

State ‘smart’ and modern materials (4)

A

Thermochromic
Polymorph
SMA (Metal)
SMP (Plastic)

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14
Q

Key idea of a Thermochromic

A

Changes colour with temperature

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15
Q

Key idea of a Polymorph

A

Softens at low heat, reshapes

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16
Q

Key idea of a SMA (Metal)

A

Returns to shape with heat

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17
Q

Key idea of a SMP (Plastic)

A

Returns to shape with heat

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18
Q

Define Thermoplastics

A

Can be melted and reshaped again and again

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19
Q

State the different thermoplastics (9)

A

Nylon
LDPE (Low Density Polyethylene)
HDPE (High Density Polyethylene)
PET (Polyethylene Terephthalate)
PVC (Polyvinyl Chloride)
Acrylic (PMMA)
PS (Polystyrene)
PP (Polypropylene)
ABS (Acrylonitrile-Butadiene-Styrene)

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20
Q

Key properties of Nylon (3)

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A

Tough, wear-resistant, self-lubricating

21
Q

Key properties of LDPE (3)
(Low Density Polyethylene)

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A

Soft, flexible, low strength

22
Q

Key properties of HDPE (2)
(High Density Polyethylene)

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A

Stronger, stiffer than LDPE

23
Q

Key properties of PET (3)
(Polyethylene Terephthalate)

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A

Lightweight, strong, good barrier to gas and water

24
Q

Key properties of PVC (3)
(Polyvinyl Chloride)

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A

Tough, durable, chemical-resistant

25
Key properties of Acrylic (3) (PMMA)
Hard, clear, shatter-resistant (but brittle)
26
Key properties of PS (2) (Polystyrene)
Lightweight, insulating
27
Key properties of PP (3) (Polypropylene)
Tough, flexible, chemical-resistant
28
Key properties of ABS (3) (Acrylonitrile-Butadiene-Styrene)
Tough, strong, impact-resistant
29
Common uses of nylon (1)
Clothing
30
Common uses of LDPE (2) (Low Density Polyethylene)
Plastic bags, squeeze bottles
31
Common uses of HDPE (3) (High Density Polyethylene)
Bottles, pipes, buckets
32
Common uses of PET (2) (Polyethylene Terephthalate)
Drink bottles, food containers
33
Common uses of PVC (2) (Polyvinyl Chloride)
Pipes, window frames
34
Common uses of Acrylic (3) (PMMA)
Signs, car lights, windows
35
Common uses of PS (2) (Polystyrene)
Packaging, disposable cups
36
Common uses of PP (2) (Polypropylene)
Hinged lids, plastic chairs
37
Common uses of ABS (2) (Acrylonitrile-Butadiene-Styrene)
LEGO bricks, car bumpers
38
Define Thermosetting Plastics
Once set, they cannot be melted or reshaped
39
State the different thermosetting Plastics (5)
Polyester Resin Melamine Formaldehyde (MF) Urea Formaldehyde (UF) Phenol Formaldehyde (PF) Epoxy Resin
40
Key properties of Polyester Resin (4)
Hard, brittle, waterproof, chemical resistant
41
Key properties of Melamine Formaldehyde (3) (MF)
Hard, heat-resistant, scratch-resistant
42
Key properties of Urea Formaldehyde (3) (UF)
Hard, strong, good electrical insulator
43
Key properties of Phenol Formaldehyde (3) (PF)
Hard, heat-resistant, electrical insulator
44
Key properties of Epoxy Resin (3)
Very strong, chemical-resistant, adhesive
45
Common uses of Polyester Resin (1)
Car panels
46
Common uses of Urea Formaldehyde (2) (UF)
Plugs, switches
46
Common uses of Melamine Formaldehyde (3) (MF)
Kitchen surfaces, laminates, plates
47
Common uses of Phenol Formaldehyde (1) (PF)
Old-style telephones

IGCSE FLASH CARDS (17 decks)

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