1. Which type of plastic would be suitable to manufacture washing up liquid bottles from?
2. Give two reasons as to why acrylic is used to make external signs?
3. Name a suitable plastic used to transport medical supplies on board ships?
4. A manufacturer of intends to sell mechanical miniature children's cars. It has decided to make part of the gearing system from plastics. Which tough plastic with a good bearing surface would you recommend?
5. Give two reasons as to why guttering and drainpipes are made from Rigid PVC?
6. Name one property of acrylic that may prove to be a disadvantage?
7. The handles of mild steel screwdrivers made in the school workshop need to be protected through the process of dip coating. Which plastic could be used? The same plastic is used to insulate electrical wires.
8. Name a suitable plastic used in the boat industry to make small rowing boats?
9. Which transparent plastic is used to make the windows of garden sheds? Explain why you think it is preferred to glass?
10. Gear systems need to be self lubricating, resistant to oil and have good fatigue resistance. Name a suitable plastic? |
Lesson Task
:
To be able to appreciate the great variety of plastics commonly used in society.
To be able to answer questions regarding the properties, uses and common forms of plastics. |
Programmes of study
5b How materials can be combined and processed to create more useful properties, and how these properties are utilised in industrial contexts |
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