CLASS 9 · CHAPTER 4 Describing Motion Around Us ✏️ Quick & colourful revision notes — by @edugrown 📚 Table of Contents 1Motion & Position 2Distance & Displacement 3Average Speed & Velocity 4Average Acceleration 5Position-Time Graph 6Velocity-Time Graph 7Kinematic Equations 8Motion in a Plane 9Uniform Circular Motion 10Quick Formula Sheet 1 Motion & Position Everything…
Read MoreClass 9 · Science · Exploration Tissues in Action Chapter 3 · Complete handwritten notes, diagrams & exam pointers 📌 Table of Contents From cells to tissues Why plant and animal tissues differ Meristematic tissue — growth in plants Permanent tissue & differentiation Epidermis — the protective tissue Simple permanent tissues Complex permanent tissues —…
Read MoreClass 9 · Science · Exploration Cell — The Building Block of Life Chapter 2 · Complete handwritten notes, diagrams & exam pointers 📌 Table of Contents Where did the first cell come from? How do we study cells? The cell membrane Osmosis, diffusion & tonicity The cell wall Prokaryotic vs Eukaryotic cells Inside the…
Read More📚 Exploration: Entering the World of Secondary Science Chapter 1 Study Notes | Grade 9 📑 Quick Navigation 🔍 What is Secondary Science? 🎯 Models in Science 🔤 Language & Symbols 📐 Mathematics 🎲 Making Predictions 📖 Laws & Theories 🧮 Estimation Skills 🔗 Interdisciplinary Science 🔍 What is Secondary Science? Science is not just…
Read MoreCLASS 9 • MATHS • CHAPTER 8 Predicting What Comes Next: Sequences and Progressions Short, colourful, handwritten-style notes by EduGrown 📌 Table of Contents What is a Sequence? Famous Number Patterns Term Notation (t1, t2, tn) Explicit Rule for a Sequence Recursive Rule for a Sequence Virahānka–Fibonacci Sequence Arithmetic Progression (AP) nth Term of an…
Read MoreCLASS 9 • MATHS • CHAPTER 7 The Mathematics of Maybe: Introduction to Probability Short, colourful, handwritten-style notes by EduGrown 📌 Table of Contents What is Probability? Randomness & Random Experiments Subjective vs Objective Probability The Probability Scale (0 to 1) Two Ways of Measuring Probability Experimental Probability Theoretical Probability Statistical Data, Sample & Population…
Read MoreCLASS 9 • MATHS • CHAPTER 6 Measuring Space: Perimeter and Area Short, colourful, handwritten-style notes by EduGrown 📌 Table of Contents What is Perimeter? Perimeter of a Circle — the C/D Ratio The Story of π (Quick Timeline) π is Irrational Length of an Arc of a Circle The 400 m Athletics Track &…
Read MoreCLASS 9 • MATHS • CHAPTER 5 I’m Up and Down, and Round and Round Circles — short, colourful, handwritten-style notes by EduGrown 📌 Table of Contents Circles All Around Us Basic Definitions & Parts of a Circle Symmetries of a Circle How Many Circles Through Given Points? Circumcircle & Circumcentre Equal Chords ↔ Equal…
Read MoreCLASS 9 • MATHS • CHAPTER 4 Exploring Algebraic Identities Short, colourful, handwritten-style notes — by EduGrown 📌 Table of Contents A Curious Pattern to Begin With Equation vs Identity Visualising (a + b)² The Identity (a – b)² Square of Three Terms (a + b + c)² a² – b² & Śhrīdharāchārya’s Trick Factorisation…
Read MoreCLASS 9 • MATHS • CHAPTER 3 The World of Numbers Short, colourful, handwritten-style notes — by EduGrown 📌 Table of Contents The Need to Count & Natural Numbers Śhūnya: The Birth of Zero Integers: Fortunes & Debts Rational Numbers Rational Numbers on the Number Line Density of Rational Numbers Irrational Numbers Proof: √2 is…
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