Material selection | Design and technology | Quizalize & Oak National Academy

Starter quiz

What is a pillar drill NOT used for?
- Creating straight lines ✓
- Creating holes in timbers
- Creating holes in polymers
Which tool is best for working with timber to cut a curved shape?
- 'Coping saw' ✓
Which manufacturing process joins materials?
- Deforming
- Fabricating ✓
- Wasting
Scissors are usually used to cut which materials?
- Metals
- Polymers
- Paper ✓
- Fabric ✓
How many products are produced in a batch production?
- 'More than one product' ✓
What is the purpose of a risk assessment?
- Remove all the risks
- Assess what the potential risks are ✓
- Minimise any potential risks ✓

Which of these is not a factor when selecting materials?
- Person
- Product
- Pulley ✓
- Place
- Purpose
Match the product to the place and material:
- kitchen chair
  
  ⇔
  
  often polymer seat ✓
- classroom chair
  
  ⇔
  
  often timber seat ✓
- armchair
  
  ⇔
  
  often fabric seat ✓
Which materials are garden chairs often made from?
- Fabric
- Timber
- Metal ✓
- Polymer ✓
Which softwood is often used for indoor furniture?
- 'Pine' ✓
Why are classroom chairs often made from polymers?
- They are lightweight. ✓
- They are resistant to wear and tear. ✓
- They dissolve in water.
- They are cost-effective to produce in large quantities. ✓
Which polymer is often used to manufacture classroom chair shells?
- Polyvinyl Chloride (PVC)
- Polypropylene (PP) ✓
- High Impact Polystyrene (HIPS)

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The purpose, environment and user of a product determine the material properties required.
The product properties required determines the material chosen.

There is only one suitable material for each product.

There are many different materials which can be suitable once a choice has been made; it is important to explain and justify this.