3.1 Yarns and Fabrics

• describe the characteristics of different yarns in textiles
• form a yarn using natural textile fibres
• make a sample of a fabric using yarns from natural textile fibres
• recognise different types of yarns used in textiles

“What determines the strength and durability of yarns and fabrics?”

“How does yarn formation affect the quality of fabric?”

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1. Fibres, yarns and fabrics
   40 min · 1 practice tasks · quiz
   Describe fibres, yarns and fabrics and how they are related.
2. Natural textile fibres
   40 min · 1 practice tasks · quiz
   Describe the natural fibres used in textiles and their properties.
3. Staple and filament yarns
   40 min · 1 practice tasks · quiz
   Describe the characteristics of staple and filament yarns.
4. Single and ply yarns
   40 min · 1 practice tasks · quiz
   Describe single yarns and ply yarns and how plying adds strength.
5. Yarn twist: S twist and Z twist
   40 min · 1 practice tasks · quiz
   Identify the direction of twist in a yarn.
6. How a yarn is formed
   40 min · 1 practice tasks · quiz
   Describe the stages of yarn formation from fibre to finished yarn.
7. Forming a yarn from local fibres
   40 min · 1 practice tasks · quiz
   Form a 30 cm yarn from locally available natural fibres.
8. Making a woven fabric sample
   40 min · 1 practice tasks · quiz
   Make a sample of woven fabric from yarns and mount it in a folder.
9. Making a knitted or crocheted sample
   40 min · 1 practice tasks · quiz
   Make a sample of knitted or crocheted fabric and mount it.
10. Strength and durability of yarns and fabrics
    40 min · 1 practice tasks · quiz
    Review yarns and fabrics and answer the key questions.