Class 6 Exam > Class 6 Videos > Crash Course for Class 6 (Hinglish) > Materials Around Us
Materials Around Us Video Lecture | Crash Course for Class 6 (Hinglish)
FAQs on Materials Around Us Video Lecture - Crash Course for Class 6 (Hinglish)
| 1. What are the different types of materials around us? |  |
Ans. The materials around us can be broadly classified into two categories: natural materials and synthetic materials. Natural materials include wood, metals, stones, and cotton, which are derived from natural sources. Synthetic materials, on the other hand, are man-made and include plastics, synthetic fibers like nylon and polyester, and composite materials. Both types have various applications in daily life.
| 2. How do we categorize materials based on their properties? | |
Ans. Materials can be categorized based on their physical and chemical properties. Physical properties include state (solid, liquid, gas), hardness, solubility, density, and conductivity. Chemical properties involve reactivity with other substances, flammability, and acidity. Understanding these properties helps in selecting the right material for specific uses.
| 3. What is the importance of materials in our daily life? | |
Ans. Materials play a crucial role in our daily life as they are used to make everything around us, from clothing and furniture to buildings and vehicles. The choice of materials affects the durability, cost, and environmental impact of products. For example, biodegradable materials are preferred for their lower impact on the environment, while strong metals are essential for construction.
| 4. How do natural materials differ from synthetic materials? | |
Ans. Natural materials are sourced from nature and often have unique properties that make them suitable for various applications. They tend to be more environmentally friendly but can be limited in availability. Synthetic materials are engineered to enhance certain properties, such as strength or flexibility, but they may not decompose easily and can contribute to pollution.
| 5. What role do materials science and engineering play in developing new materials? | |
Ans. Materials science and engineering focus on understanding the properties of materials and how they can be manipulated to create new and improved materials. This field is essential for innovation, as it leads to the development of advanced materials that can withstand extreme conditions, are lighter, stronger, or more efficient. This research is critical for various industries, including aerospace, automotive, and healthcare.
About this Video
Oct 02, 2025
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Video Description: Materials Around Us for Class 6 2025 is part of Crash Course for Class 6 (Hinglish) preparation.
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