3.3 Non- Metallic Materials

• Non-metallic materials in the locality: wood, stone, plastics, paper, rubber, cement, glass, ceramics
• Natural non-metallic materials
• Synthetic non-metallic materials
• Sorting non-metallic materials as natural or synthetic
• Physical properties: colour and texture
• Physical property: hardness
• Physical property: fire resistance
• Uses of wood, stone and cement in the locality
• Uses of plastics, glass, rubber, paper and ceramics
• Importance of non-metallic materials in production

• identify non-metallic materials found in the locality
• categorise non-metallic materials as either synthetic or natural
• describe the physical properties of non-metallic materials found in the locality
• relate non-metallic materials to their uses in the locality
• appreciate the use of non-metallic materials in production

“Why are non-metallic materials important?”

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1. Non-metallic materials in the locality
   40 min · 1 practice tasks · quiz
   Identifying the eight design names: wood, stone, plastics, paper, rubber, cement, glass and ceramics.
2. Natural non-metallic materials
   40 min · 1 practice tasks · quiz
   Categorising wood, stone, clay and plant fibres as natural: taken from nature rather than built as a new factory substance.
3. Synthetic non-metallic materials
   40 min · 1 practice tasks · quiz
   Categorising plastics, glass, cement and many rubbers as synthetic: made through industrial processes.
4. Sorting natural and synthetic non-metals
   40 min · 1 practice tasks · quiz
   Practical categorising of local samples as natural or synthetic, with an honest line for paper.
5. Colour and texture of non-metals
   40 min · 1 practice tasks · quiz
   Describing colour and texture as physical properties by looking and careful fingertip tests.
6. Hardness of non-metallic materials
   40 min · 1 practice tasks · quiz
   Comparing scratch resistance of paper, rubber, wood, plastics, glass, stone and cement using scraps, not windows.
7. Fire resistance of non-metals
   40 min · 1 practice tasks · quiz
   Describing fire resistance from a teacher demo and talk: paper and wood burn, many plastics melt, stone glass and cement resist.
8. Wood, stone and cement in buildings
   40 min · 1 practice tasks · quiz
   Relating wood, stone and cement to furniture, frames, walls, mortar and floors in the locality.
9. Plastics, glass, rubber, paper and ceramics in use
   40 min · 1 practice tasks · quiz
   Matching the remaining five design materials to jerican, window, tyre, book and cup jobs in the locality.
10. Why non-metallic materials are important
    40 min · 1 practice tasks · quiz
    Appreciating non-metals in shelter, furniture, packaging, learning and jobs, and closing the inquiry.