Otukkam is a fisherman and a friend of Dada. During the boat ride, he casts the fishing net to catch fish in the river, demonstrating his skills to Malli and Valli. Chapter 9 Methods of Separation in Everyday Life Session ...
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Malli is surprised and concerned to see plastic bags, broken bottles, a large fish with a straw stuck in its mouth, and food wrappers trapped in the fishing net along with the fish. NCERT Book Curiosity Science Class 6 Chapter ...
Valli realizes that the method of catching fish with a net is somewhat similar to the filtration method she learned, as the water drains through the mesh, leaving the fish behind, just like filtration separates particles. Class 6 Science NCERT ...
Today, most tea bags are made of filter paper, which is effective at holding tea leaves while allowing water to steep through, making it the most common material used. NCERT Book Curiosity Science Class 6
After silk, people began using gauze or muslin as materials for tea bags, as they also held tea leaves effectively while allowing water to pass through. Chapter 9 Methods of Separation in Everyday Life Class VI NCERT Book Curiosity Science
Tea bags were initially made of soft cloth like silk because it could hold the tea leaves, allow water to pass through, and was strong enough to withstand contact with hot water without falling apart. NCERT Science Textbook Curiosity Science ...
The choice of filter is determined by the size of the particles that need to be removed. Different materials like cotton, charcoal, or sand are selected based on their ability to capture particles of varying sizes.
Materials such as cotton, charcoal, and sand can be used as filters, depending on the specific requirements for removing particles from a liquid. NCERT Book Curiosity Science Class 6 Class 6 Science NCERT Chapter 9