1 O’ Clock Class 9 Science Revision Book | Based on New NCERT Grade 9 Science Syllabus 2026-27 | Audiobooks on App + 3D Interactive Videos via QR | ... Graphs, Experiments & Beyond Basics

Revise faster. Understand visually. Remember with confidence. The 1 O’ Clock Class 9 Science Revision Book is specially developed around the new NCERT Grade 9 Science syllabus for 2026-27, bringing the new 13-chapter Science structure into a quick, visual and revision-friendly format. Covering 13 Class 9 Science chapters, the book simplifies Physics, Chemistry, Biology and Earth Science through concise explanations, labelled diagrams, flowcharts, tables, comparison charts, graphs, formulae, activities, experiments and real-life examples. The highly visual layout helps students see the important concept, relationship, formula, diagram or process at a glance—making revision faster and more organised. Special features such as Beyond Basics, Exam Trap, Safety First and What If? provide deeper understanding, important distinctions, practical precautions and useful concept extensions. Whether students are revising a chapter after school or preparing before a test or examination, 1 O’ Clock turns large Science topics into clear, visual and revision-friendly learning pages. WHY CHOOSE 1 O’ CLOCK CLASS 9 SCIENCE? BASED ON THE NEW CLASS 9 SCIENCE SYLLABUS 1 O’ Clock is developed for the new NCERT Grade 9 Science syllabus for 2026-27. It covers the new 13-chapter structure, helping students study and revise the Science course introduced for the current academic session. QUICK & VISUAL REVISION Large chapters are organised into concise, easy-to-scan sections so students can revise important concepts faster. CONCISE BUT CONCEPT-RICH The book shortens the presentation without reducing Science to one-line facts. Concepts are supported with explanations, examples, diagrams, experiments and applications. DIAGRAMS, FLOWCHARTS & TABLES Labelled diagrams, process flows, comparison tables and visual summaries make information-heavy topics easier to understand and remember. PHYSICS WITH FORMULAE & GRAPHS Motion, force, work, energy and sound are explained through formulae, graphs, diagrams and real situations, helping students connect calculations with concepts. ACTIVITY & EXPERIMENT-BASED LEARNING Compact experimental setups and investigations are included across topics such as cells, tissues, mixtures, motion, forces, sound and reproduction. BEYOND BASICS Special Beyond Basics boxes introduce selected deeper concepts, scientific applications, historical context, Indian contributions and interesting extensions. EXAM TRAP, WHAT IF? & SAFETY FIRST Useful callouts highlight commonly confused ideas, encourage students to think about changing conditions and provide precautions for practical activities. REAL-LIFE SCIENCE Examples from health, sports, technology, space, environment, agriculture, everyday materials and the human body help connect Science with the real world. COMPLETE 13-CHAPTER COVERAGE 1. Exploration—Entering the World of Secondary Science Scientific thinking, observation, questioning, measurement, models, units, laws, theories, prediction, testing and estimation. 2. Cell—The Building Block of Life Cells, microscopy, membranes, diffusion, osmosis, organelles, prokaryotic and eukaryotic cells, mitosis, meiosis and cell theory. 3. Tissues in Action Plant and animal tissues, meristems, permanent tissues, xylem, phloem, blood, muscles, nervous tissue, joints and skeletal system. 4. Describing Motion Around Us Position, distance, displacement, speed, velocity, acceleration, motion graphs, kinematic equations and circular motion. 5. Exploring Mixtures and their Separation Solutions, concentration, solubility, crystallisation, distillation, chromatography, centrifugation, colloids and separation methods. 6. How Forces Affect Motion Force, friction, balanced and unbalanced forces, Newton’s laws, mass, weight, acceleration, momentum and force systems. 7. Work, Energy, and Simple Machines Work, kinetic and potential energy, conservation of energy, power, mechanical advantage and simple machines. 8. Journey Inside the Atom Development of atomic models, electrons, protons, neutrons, atomic number, mass number, electronic arrangement, isotopes and isobars. 9. Atomic Foundations of Matter Laws of chemical combination, atoms, molecules, ionic and covalent bonding, ions, chemical formulae and properties of compounds. 10. Sound Waves—Characteristics and Applications Sound production and propagation, frequency, amplitude, pitch, loudness, reflection, echo, ultrasound, infrasound and SONAR. 11. Reproduction—How Life Continues Asexual and sexual reproduction, plant reproduction, meiosis, human reproductive systems, fertilisation, pregnancy and reproductive health. 12. Patterns in Life—Diversity and Classification Biodiversity, classification, five kingdoms, plant and animal groups, scientific naming, fossils and conservation. 13. Earth as a System—Energy, Matter, and Life Atmosphere, hydrosphere, geosphere, cryosphere, biosphere, energy flow, matter cycles and solar radiation. WHO SHOULD BUY THIS BOOK? This book is suitable for: Class 9 Science students Students looking for fast chapter-wise revision Students who prefer visual learning Students who find long notes difficult to revise Students who want diagrams, tables and flowcharts Students who need formula and graph revision Students preparing for school tests and examinations Students studying independently at home Parents looking for a structured Science revision companion Teachers looking for visual revision material FREQUENTLY ASKED QUESTIONS Q1. What is 1 O’ Clock Class 9 Science? It is a visual Class 9 Science revision book designed to help students revise concepts quickly through concise explanations, diagrams, tables, flowcharts, graphs, formulae and experiments. Q2. Is this book based on the new Class 9 Science syllabus for 2026-27? Yes. 1 O’ Clock Class 9 Science is developed around the new NCERT Grade 9 Science syllabus for 2026-27 and covers its new 13-chapter Science structure. Q3. Is this book useful for quick revision? Yes. The book is specifically designed to organise large chapters into short, visual and easy-to-revisit sections. Q4. Does the book include diagrams and flowcharts? Yes. It contains extensive labelled diagrams, illustrations, flowcharts, tables, process sequences and visual comparisons. Q5. Does the book include Physics formulae and graphs? Yes. Motion, force, work, energy and sound include formulae, mathematical relationships, graphs and visual explanations. Q6. What is Beyond Basics? Beyond Basics provides selected deeper concepts, scientific applications, historical information, Indian contributions and useful extensions beyond the core revision point. Q7. Does the book include activities and experiments? Yes. Compact activities and experimental setups are used across Biology, Physics and Chemistry to reinforce important concepts. Read more