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Chapter 4 (Chemistry): The Structure of the Atom – Class 9 NCERT Science Detailed Study Notes. 1. The Dawn of Subatomic Particles At the end of the 19th century, the prevailing scientific view, based on Dalton’s atomic theory, was that…
Chapter 3 (Chemistry): Atoms and Molecules – Class 9 NCERT Science Detailed Study Notes. 1. Historical Foundations of Atomic Theory The concept that matter is composed of fundamental, indivisible particles dates back to ancient times. These early ideas were philosophical…
Chapter 2 (Chemistry): Is Matter Around Us Pure? – Class 9 NCERT Science Detailed Study Notes. 1. Understanding Purity and Mixtures 1.1 Pure Substances vs. Mixtures In everyday language, “pure” often means having no adulteration. However, in a scientific context,…
Chapter 1 (Chemistry): Matter in Our Surroundings – Class 9 NCERT Science Detailed Study Notes. 1. The Concept of Matter 2. The Physical Nature of Matter 3. Characteristics of Particles of Matter 4. The Three States of Matter Matter exists…
Study Notes: Beyond Earth (Class 6-NCERT(Curiosity) Science 1. Introduction to Stargazing 2. Stars and Constellations Key Constellations and Stars Name Description / Key Features Associated Stars Indian Names Cultural Interpretations Orion Represented as a hunter. Three bright stars in the…
Study Notes: Nature’s Treasures (Class 6-NCERT(Curiosity) Science 1. Introduction to Nature’s Treasures The chapter introduces the concept of natural resources through the story of Bhoomi and Surya visiting their grandmother, Ajji, in a village in the Western Ghats. Ajji describes…
Study Notes: Living Creatures: Exploring Their Characteristics (Class 6-NCERT(Curiosity) Science 1. Differentiating Living and Non-living Things The world around us is composed of living beings and non-living things. Living beings share a set of common, essential characteristics that distinguish them…
Study Notes: Methods of Separation in Everyday Life (Class 6-NCERT(Curiosity) Science 1. Separation of Solid Components from Solids a. Handpicking b. Threshing c. Winnowing d. Sieving e. Magnetic Separation 2. Separation of Solid Components from Liquids a. Evaporation b. Sedimentation…
Study Notes: A Journey through States of Water (Class 6-NCERT(Curiosity) Science 1. Introduction: The Nature of Water and Ice Water is a substance that can be observed in different forms, also known as states. The text begins with a discussion…
Study Notes: Temperature and its Measurement (Class 6-NCERT(Curiosity) Science 1. Understanding Hot, Cold, and Temperature 1.1 The Unreliability of Touch Our sense of touch can be misleading when determining if something is hot or cold. An object’s perceived temperature can…
