Non-metallic materials can appear shiny if their surfaces are polished or coated with thin layers of plastic, wax, or other materials that create a shiny finish. Chapter 6 Materials around us Class 6 Class VI NCERT Book Curiosity Science
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Examples of non-lustrous materials include paper, wood, rubber, and jute, which do not have shiny surfaces. NCERT Science Textbook Curiosity Science Session 2024-2025.
Some metals lose their lustre due to the effect of air and moisture, which can cause oxidation or tarnishing, making them appear dull or non-lustrous. NCERT Book Curiosity Science Class 6 Class 6 Science NCERT Chapter 6.
Cell phones use GPS (Global Positioning System) for navigation without a needle and compass. GPS satellites transmit signals to the phone, which calculates its location based on the time it takes for the signals to arrive. Additionally, cell phones use ...
A large scale map depicts a small geographic area with detailed information. For example, 1 cm on the map might represent 1 km on the ground. These maps are useful for showing specific features like streets, buildings, and landmarks, making ...