Class 9th

Class 9 Science Chapter 9: Force and Laws of Motion Class 9 Science – Chapter 9: Force and Laws of Motion – Revision Notes Chapter at a Glance This chapter introduces the fundamental concepts of force and motion, primarily through Newton’s Three Laws of Motion. It explains how forces cause…

Class 9 Science Chapter 8: Motion. Chapter 8: Motion – Short Notes 1. Introduction 2. Scalar and Vector Quantities 3. Distance and Displacement 4. Uniform and Non-Uniform Motion 5. Speed 6. Velocity 7. Acceleration 8. Graphical Representation of Motion A. Distance-Time Graph B. Velocity-Time Graph 9. Equations of Motion by…

Class 9 Science Chapter 3: Atoms and Molecules based on the NCERT syllabus. Chapter 3: Atoms and Molecules – Short Notes 1. Laws of Chemical Combination 2. Dalton’s Atomic Theory Postulates: (Note: Modern research shows atoms are divisible into sub-atomic particles like electrons, protons, and neutrons, and atoms of the…

Chapter 2: Is Matter Around Us Pure? – Short Notes 1. Introduction 2. What is a Mixture? 3. Types of Pure Substances Property Mixture Compound Composition Variable Fixed Properties Properties of components are retained New properties different from components Separation Components can be separated by physical methods Components can be…

Class 9 Science Chapter 4: Structure of the Atom. Chapter 4: Structure of the Atom – Short Notes 1. Charged Particles in Matter 2. The Structure of an Atom 3. Distribution of Electrons in Different Orbits (Shells) 4. Valency 5. Atomic Number and Mass Number 6. Isotopes 7. Isobars Important…

Class 9 Science Chapter 5: The Fundamental Unit of Life. Chapter 5: The Fundamental Unit of Life – Short Notes 1. Introduction 2. Structural Organization of a Cell A cell is composed of three main parts: 3. Plasma Membrane (Cell Membrane) 4. Cell Wall (Present in Plants, Fungi, Bacteria) 5.…

Class 9 Science Chapter 6: Tissues. Chapter 6: Tissues – Short Notes 1. Introduction 2. Plant Tissues I. Meristematic Tissue II. Permanent Tissue Cells that have lost the ability to divide and have attained a permanent shape, size, and function. 3. Animal Tissues I. Epithelial Tissue II. Connective Tissue III.…

Class 9 Science Chapter 7: Diversity in Living Organisms. Chapter 7: Diversity in Living Organisms 1. Introduction 2. Classification Systems 3. The Five Kingdoms 1. Kingdom Monera 2. Kingdom Protista 3. Kingdom Fungi 4. Kingdom Plantae Divisions of Kingdom Plantae: Division Common Name Key Features Examples Thallophyta Algae Simple, thallus-like…