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Design and Technology
AQA GCSE Design and Technology
Specialist technical principles
Sources and origins
Primary material sources
AQA GCSE Design and Technology · 8552
Primary material sources
What you need to know
Identify the primary sources of materials and explain the main processes involved in converting them into workable forms.
Describe how cellulose fibres are derived from wood and grasses and converted into paper and board.
Explain the seasoning, conversion, and creation processes of natural and manufactured timbers.
Understand the extraction and refining processes required for metal-based materials.
Describe the processes of refining crude oil, fractional distillation, and cracking to produce polymers.
Explain how raw materials are obtained from animal, chemical, and vegetable sources, and processed and spun into textile-based materials.
Apply the basic principles of life cycle assessment to evaluate the recycling and conversion of materials.
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Primary material sources
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Previous topic: Ecological and social footprint
Social issues in manufacturing
Next topic: Using and working with materials
Commercial application of properties