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Curated by: Khan Academy India - English (2 videos)
Description: In this video, we explore how giant rocks break down, move around, and eventually form new rocks again! From cracking due to heat and plant roots, to rusting rocks and rushing rivers—discover the slow but powerful forces shaping Earth’s surface. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/science/ncert-class-7-science/xcdd360a2d881eb3c:physical-and-chemical-changes) Timestamps: 0:00 - Introduction 0:44 - Weathering 1:15 - Types of Physical Weathering 3:05 - Chemical Weathering 3:41 - Erosion 4:49 - Summary Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Bitasta Datta