https://www.khanacademy.org/science/strengthened-shs-earth-and-space-science-1/x006d5d274c051fd7:earth-s-materials-and-resources/x006d5d274c051fd7:rocks-and-soils/v/soil 2025-07-29T05:26:51.951860141Z Soil Did you know it takes thousands of years to make just a spoonful of soil? In this fun and visual video, we explore: 1. What soil is made of 2. How it forms from rocks 3. Types of soil and what grows in them 4. The role of earthworms and decomposers 5. Why soil is so important—and how to protect it! Bitasta Datta video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Soil Did you know it takes thousands of years to make just a spoonful of soil? In this fun and visual video, we explore: 1. What soil is made of 2. How it forms from rocks 3. Types of soil and what grows in them 4. The role of earthworms and decomposers 5. Why soil is so important—and how to protect it! https://cdn.kastatic.org/ka-youtube-converted/JdDOv0HXDpw.mp4/JdDOv0HXDpw.mp4 330 Soil - Our life https://www.khanacademy.org/science/ka-science-grade-6/x12c13c153ec99496:nature-s-treasures/x12c13c153ec99496:soil-rocks-and-minerals/e/soil-rocks-and-minerals 2026-04-07T23:36:17.218592739Z Soil, Rocks and Minerals This exercise helps you explore how soil, rocks, and minerals form, their uses, and why they are valuable natural resources. Bitasta Datta exercise https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/v/structure-of-soil-its-uses 2025-01-08T02:29:38.725066879Z Structure of Soil & Its uses Structure and uses of soil. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Structure of Soil & Its uses Structure and uses of soil. https://cdn.kastatic.org/ka-youtube-converted/NSI6VQwWBgE.mp4/NSI6VQwWBgE.mp4 373 Soil - Our life https://www.khanacademy.org/science/od-class-8-science-bridge-course/x597840fd590d6b75:soil/x597840fd590d6b75:structure-of-soil/e/soil-preparation-and-nutrients 2026-04-07T22:59:30.107127435Z Soil preparation and nutrients Let's solve some problems to better understand soil preparation and nutrients. Aakash Bagga exercise https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-1/x04828215b460a495:production-of-food-from-palnts/v/soil-preparation 2025-01-14T13:46:46.197485586Z Soil Preparation In this video, we explore the importance of soil preparation in farming. Learn how loosening and leveling the soil helps roots grow, improves aeration, and boosts nutrient availability for plants. Discover tools like the plough, cultivator, and spade used by farmers, and see why adding manure or compost makes the soil nutrient-rich and ready for planting. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Soil Preparation In this video, we explore the importance of soil preparation in farming. Learn how loosening and leveling the soil helps roots grow, improves aeration, and boosts nutrient availability for plants. Discover tools like the plough, cultivator, and spade used by farmers, and see why adding manure or compost makes the soil nutrient-rich and ready for planting. https://cdn.kastatic.org/ka-youtube-converted/Q5CthF9sa9o.mp4/Q5CthF9sa9o.mp4 250 Soil - Our life https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-1/x04828215b460a495:production-of-food-from-palnts/e/soil-preparation 2026-04-10T10:20:45.209111834Z Soil Preparation Let's solve some questions Shankar R exercise https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/v/land-layers-of-soil-and-its-formation 2025-01-27T07:04:21.433023569Z Land : Layers of soil and its formation What is soil made up of? What are the many layers of soil? How is soil formed? What makes soil fertile? Joel Prakash Stephen video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Land : Layers of soil and its formation What is soil made up of? What are the many layers of soil? How is soil formed? What makes soil fertile? https://cdn.kastatic.org/ka-youtube-converted/kyhBLIMzqW0.mp4/kyhBLIMzqW0.mp4 320 Soil - Our life https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/e/formation-of-soil 2026-04-08T00:54:09.631945657Z Formation of soil Let's solve some questions vibhor exercise https://www.khanacademy.org/science/revision-term-1-ka-science-class-7/x05832cca8e86a1ef:week-3/x05832cca8e86a1ef:soil/v/moisture-in-soil 2025-07-31T13:31:18.471448509Z Moisture in Soil What is moisture in soil? Why do some soils absorb more water than others? In this Class 7 Science video, we explore these questions through real-life examples, easy-to-do home experiments, and clear visuals — all based on NCERT Chapter 9: Soil (Sections 9.5 & 9.6). Understand the difference between absorption and percolation, learn how to measure soil moisture, and see why it matters for farming, plants, and water conservation. Perfect for students, parents, and educators. Yajurva Joshi video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Moisture in Soil What is moisture in soil? Why do some soils absorb more water than others? In this Class 7 Science video, we explore these questions through real-life examples, easy-to-do home experiments, and clear visuals — all based on NCERT Chapter 9: Soil (Sections 9.5 & 9.6). Understand the difference between absorption and percolation, learn how to measure soil moisture, and see why it matters for farming, plants, and water conservation. Perfect for students, parents, and educators. https://cdn.kastatic.org/ka-youtube-converted/5vr6Fq_QRcw.mp4/5vr6Fq_QRcw.mp4 508 Soil - Our life https://www.khanacademy.org/science/telangana-class-7-science/x71e9264c5e9276b1:soil-our-life/x71e9264c5e9276b1:15-6-the-moisture-content-of-soi/e/understanding-soil-moisture 2026-04-07T23:17:37.123726494Z Understanding Soil Moisture Class 7 Science exercise on Soil Moisture and Water Absorption with NCERT-based MCQs, calculations, and real-life reasoning. Yajurva Joshi exercise https://www.khanacademy.org/science/mh-grade-8-science/x0f256b8de9c7cf34:pollution/x0f256b8de9c7cf34:soil-pollution/v/soil-pollution 2025-11-03T05:50:51.879883785Z Soil Pollution Understand how pollutants disrupt soil health. Joel Prakash Stephen video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Soil Pollution Understand how pollutants disrupt soil health. https://cdn.kastatic.org/ka-youtube-converted/YrABxgnzet4.mp4/YrABxgnzet4.mp4 390 Soil - Our life https://www.khanacademy.org/science/mh-grade-8-science/x0f256b8de9c7cf34:pollution/x0f256b8de9c7cf34:soil-pollution/e/soil-pollution 2026-04-07T23:17:37.123726494Z Soil Pollution Causes and prevention of soil pollution. Joel Prakash Stephen exercise https://www.khanacademy.org/science/telangana-class-7-science/x71e9264c5e9276b1:soil-our-life/x71e9264c5e9276b1:15-9-soil-and-crops/e/soil-and-crops 2026-04-08T00:16:02.937952483Z Soil and Crops Class 7 Science exercise on Soil and Crops with NCERT-based MCQs, T/F, fill-ups, and case-based application questions. Yajurva Joshi exercise