Metals like iron, copper, and aluminium might be grouped together because they often share properties like shine, hardness, and conductivity, which make them different from non-metals like wood or paper. NCERT Book Curiosity Science Class 6 Chapter 6 Materials around ...
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Common textures include smooth (like aluminium foil), rough (like unpolished wood), and grainy (like chalk). NCERT Science Textbook Curiosity Science Session 2024-2025.
A material that shines will reflect light, appearing glossy or metallic, unlike dull materials that do not reflect light as much. Chapter 6 Materials around us Class 6 Class VI NCERT Book Curiosity Science
Answer: The purpose is to observe and compare their properties, such as shine, texture, and color, and to group them based on these characteristics. NCERT Book Curiosity Science Class 6 Class 6 Science NCERT Chapter 6
Sports balls can be grouped by properties such as material (leather, synthetic), size (regulation, practice), inflation (air-filled, solid), and function (team sports, individual sports). Class VI NCERT Book Curiosity Science