section b Flashcards

1
Q

describe the pmc process (8 steps)

A
  1. model the FIMO
  2. manafacture the pmc
  3. let the pmc dry (24hrs)
  4. create the hole for the chain to pass through
  5. sand the pmc
  6. heat the pmc to create the silver
  7. use a burnishing tool wire brush and a electromagnetic polisher to make the pmc shinny
  8. attatch a jump ring to the pmc project chain
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2
Q

why do we model with fimo before using pmc?

A

It does not matter if you mess up your design or if you only like it on paper and not in real life and you can practice making the design multiple times as it is much cheaper than pmc

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3
Q

what tool is used to make the hole used for the chain in the pmc production?

A

Drill bit

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4
Q

what tool is used to heat the pmc?

A

a brazing hearth

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5
Q

name four products that can be made from timber

A

Furniture, children’s

toys, garden sheds/fences

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6
Q

what are the environmental impacts of timber?

A

deforestation ,visual pollution and habitat destruction

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7
Q

what is the source of timber?

A

Trees

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8
Q

what is the source of timber?

A

Trees

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9
Q

what is the source of metal?

A

ores in the ground

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10
Q

what is the source of a polymer?

A

crude oil

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11
Q

name four products than can be made with metal

A

cans,cutlery,car parts, pipes

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12
Q

name four products can be made from a polymer

A

plastic cups, plastic bottles,plastic bags,plastic,acrylic

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13
Q

name four products of wool

A

clothing,carpets,insulator,bedding

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14
Q

name four products made of cotton

A

towels, socks,pillowcases,underwear

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15
Q

name two environmental impacts of metal

A
  1. extraction effects air quality

2. declining air quality is damaging to natural habitats of animals

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16
Q

what is an environmental impact of polymers?

A

plastic pollution

17
Q

name two environmental impacts of wool?

A
  1. Deforestation to make room for sheep

2. sheep release methane gas enforcing the greenhouse effect

18
Q

what is an environmental impact of cotton?

A

Pesticides emit greenhouse gasses and pollute drinkable water

19
Q

what are three ideal modelling materials to use?

A
  1. corrugated cardboard
  2. foam board
  3. FIMO