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Lesson 3 of 12
  • Year 11

Sources and stock forms of polymers

I can describe where different materials come from and identify their common stock forms.

Lesson 3 of 12
New
New
  • Year 11

Sources and stock forms of polymers

I can describe where different materials come from and identify their common stock forms.

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Lesson details

Key learning points

  1. Raw materials need to be sourced and processed into a useable form.
  2. Materials are available in a range of stock forms, which influences material selection and production methods.

Keywords

  • Source - where a material originates from

  • Raw material - a natural material in its original state

  • Process - changing a material to make it suitable for making products

  • Stock form - the standard shape or size a material is supplied in

Common misconception

All materials are ready to use in their natural state.

Raw materials need to go through a range of processing stages to make them usable.


To help you plan your year 11 design and technology lesson on: Sources and stock forms of polymers, download all teaching resources for free and adapt to suit your pupils' needs...

Use real-life samples of raw and processed materials to reinforce the idea that materials go through significant changes before becoming stock forms.
Teacher tip

Equipment

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

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6 Questions

Q1.
Materials are chosen based on their physical and working .

Correct Answer: properties, property

Q2.
What does 'structural integrity' refer to in materials and structures?

Correct answer: it can maintain its shape under normal conditions without breaking
the aesthetic appearance of a structure
it can resist environmental changes like temperature and moisture
the cost-effectiveness of building a structure

Q3.
Which of these materials comes from a plant source?

Correct answer: cotton
wool
aluminium
PVC

Q4.
Match the material to its source:

Correct Answer:aluminium,ores in rocks

ores in rocks

Correct Answer:polyester,crude oil

crude oil

Correct Answer:wool,sheep

sheep

Correct Answer:tissue paper,trees

trees

Q5.
Which group includes only natural materials?

polypropylene, nylon, wool
Correct answer: gold, cotton, oak
polyester, glass, corrugated cardboard
acrylic, steel, linen

Q6.
Match the material category to its example:

Correct Answer:timber,pine

pine

Correct Answer:metal,copper

copper

Correct Answer:textile,silk

silk

Correct Answer:paper and board,greyboard

greyboard

Assessment exit quiz

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6 Questions

Q1.
Put the stages in the correct order from source to stock form:

1 - raw material is collected
2 - material is processed to be usable
3 - use material in manufacturing

Q2.
What is one main benefit of using standard stock forms in manufacturing?

They are always made from recycled materials.
They are customised for each product.
Correct answer: They're easier to transport, store and use in different manufacturing processes.
They don't require specialised tools to work with.

Q3.
What is the main source for synthetic, non-biodegradable polymers?

Correct answer: crude oil
corn starch
sugars

Q4.
Put the following stages of processing polymers into order:

1 - oil drilling
2 - fractional distillation
3 - cracking
4 - polymerisation

Q5.
Identify the sustainable polymers:

HDPE
Correct answer: PLA
Correct answer: shellac
PVC
nylon

Q6.
Match each stock form with the correct description:

Correct Answer:rod,solid cylindrical

solid cylindrical

Correct Answer:tube,hollow cylindrical

hollow cylindrical

Correct Answer:granules,small pellets

small pellets

Correct Answer:filament,strands

strands

Correct Answer:powder,fine particles

fine particles