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Materials and Their Properties
Quick questions on Plastics and their properties: N(A)-Level Design and Technology
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the two groups of plastic?Show answer
The simple test in words: a thermoplastic can be remelted; a thermosetting plastic is set for good.
What is matching property to use?Show answer
Acrylic's clear, colourful, easily shaped nature suits signs; polythene's lightness and flexibility suit bottles and bags; melamine's heat resistance suits plates and worktops; the insulating property of plastics suits plug casings. Always justify a plastic choice by the property the job needs.
What is q1?Show answer
State whether each can be reheated and reshaped: acrylic, melamine. [2 marks]
What is q2?Show answer
Name one property that makes plastics suitable for outdoor items. [1 mark]
What is q3?Show answer
Explain why a thermosetting plastic is chosen for a saucepan handle. [3 marks]
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