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Class 4 EVS Mindmap Chapter 8 How Things are Made

Class 4 EVS Mindmap Chapter 8 How Things are Made

The document Class 4 EVS Mindmap Chapter 8 How Things are Made is a part of the Class 4 Course EVS for Class 4 (Our Wondrous World: New NCERT).
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FAQs on Class 4 EVS Mindmap Chapter 8 How Things are Made

1. What are the basic steps involved in making everyday products?
Ans. The basic steps involved in making everyday products typically include: 1) Design - conceptualizing the product and creating plans. 2) Sourcing materials - finding and acquiring the necessary raw materials. 3) Manufacturing - using machines or hands to create the product. 4) Quality control - checking that the product meets standards. 5) Packaging - preparing the product for sale and distribution.
2. How do factories produce items on a large scale?
Ans. Factories produce items on a large scale by using assembly lines where each worker or machine performs a specific task in the production process. This method increases efficiency and reduces the time needed to make each item. Automation and technology also play a significant role in speeding up production and maintaining quality.
3. What materials are commonly used in manufacturing?
Ans. Common materials used in manufacturing include metals (like steel and aluminum), plastics, wood, glass, and textiles. The choice of material often depends on the product being made and its intended use, as each material has different properties such as strength, flexibility, and durability.
4. Why is quality control important in manufacturing?
Ans. Quality control is important because it ensures that products meet specific standards and are safe for consumers. It helps to identify defects or issues during production, which can save companies money by reducing waste and returns. Maintaining high quality also builds customer trust and brand reputation.
5. How does recycling play a role in how things are made?
Ans. Recycling plays a significant role by providing raw materials for new products, which reduces the need for virgin resources and helps minimize waste. It contributes to sustainability by lowering energy consumption and pollution associated with the production of new materials, making manufacturing processes more environmentally friendly.
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