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Science for CLASS 9

The Science syllabus for CLASS 9 comprises 83 crucial chapters that form the backbone of your preparation. Mastering these concepts is absolutely essential for securing a top rank in your upcoming examinations, as Science often acts as the high-scoring differentiator between top-tier aspirants.

Preparing for Science requires a dual approach: building an unshakeable theoretical foundation and developing rapid problem-solving intuition. For CLASS 9 2026, the exam pattern suggests a move towards more application-based questions that test how well you can apply basic principles to complex, multi-layered scenarios. Our comprehensive, AI-driven guide breaks down each chapter into its core concepts, providing you with targeted practice questions and structured explanations.

Weightage Analysis

Historical data from previous CLASS 9 papers shows that Science contributes approximately 25% of the total marks. Focusing on high-yield chapters first can boost your score by up to 40% in the final attempt.

Revision Strategy

We recommend a 3-pass revision for Science: first to understand concepts, second to solve level-1 PYQs, and a final pass for timed mock tests to build exam-day stamina.

Whether you are beginning your Science preparation journey from scratch or looking to solidify your understanding of advanced subtopics, this hub serves as your ultimate resource. Each of the 83 chapters listed below has been meticulously analyzed for its exam weightage and difficulty level. Explore the chapter-wise index to dive directly into categorized Previous Year Questions (PYQs) and mock assessments tailored specifically for the CLASS 9 pattern.

Every topic in Science requires a unique approach. While some chapters rely heavily on memorization and theoretical understanding, others demand rigorous problem-solving and the application of complex formulas. Using our advanced tracking system, you can monitor your proficiency across all 83 chapters, identify your weakest areas, and generate customized mock tests that focus entirely on bridging your knowledge gaps. Regular practice using these curated resources guarantees a massive improvement in your speed, accuracy, and overall confidence when approaching the Science section of the CLASS 9.

Chapter-wise Syllabus

83 Modules

Chemical Reactions and Equations

  • •Balancing
  • •Types of Reactions
Class 102 Concepts

Acids, Bases and Salts

  • •Indicators
  • •pH Scale
  • •Salts
Class 103 Concepts

Metals and Non-Metals

  • •Properties
  • •Reactivity Series
Class 102 Concepts

Carbon and its Compounds

  • •Bonding
  • •Versatile Nature
  • •Homologous Series
Class 103 Concepts

Periodic Classification of Elements

  • •Dobereiner
  • •Newlands
  • •Mendeleev
  • + 1 more concepts
Class 104 Concepts

Life Processes

  • •Nutrition
  • •Respiration
  • •Transportation
  • + 1 more concepts
Class 104 Concepts

Control and Coordination

  • •Nervous System
  • •Hormones
Class 102 Concepts

How do Organisms Reproduce?

  • •Asexual
  • •Sexual
  • •Reproductive Health
Class 103 Concepts

Heredity and Evolution

  • •Mendel's Laws
  • •Sex Determination
  • •Evolution
Class 103 Concepts

Light – Reflection and Refraction

  • •Mirrors
  • •Lenses
  • •Refractive Index
Class 103 Concepts

Human Eye and Colourful World

  • •Defects
  • •Dispersion
  • •Scattering
Class 103 Concepts

Electricity

  • •Ohm's Law
  • •Resistance
  • •Power
  • + 1 more concepts
Class 104 Concepts

Magnetic Effects of Electric Current

  • •Field Lines
  • •Motor
  • •Generator
  • + 1 more concepts
Class 104 Concepts

Sources of Energy

  • •Renewable
  • •Non-renewable
Class 102 Concepts

Our Environment

  • •Ecosystem
  • •Ozone Layer
Class 102 Concepts

Management of Natural Resources

  • •Conservation
  • •Dams
Class 102 Concepts

Matter in Our Surroundings

  • •States of Matter
  • •Evaporation
Class 92 Concepts

Is Matter Around Us Pure

  • •Mixtures
  • •Solutions
  • •Separation
Class 93 Concepts

Atoms and Molecules

  • •Laws of Chemical Combination
  • •Mole Concept
Class 92 Concepts

Structure of the Atom

  • •Electrons
  • •Protons
  • •Neutrons
  • + 1 more concepts
Class 94 Concepts

The Fundamental Unit of Life

  • •Cell Structure
  • •Organelles
Class 92 Concepts

Tissues

  • •Plant Tissues
  • •Animal Tissues
Class 92 Concepts

Diversity in Living Organisms

  • •Classification
  • •Five Kingdoms
Class 92 Concepts

Motion

  • •Distance
  • •Velocity
  • •Equations of Motion
Class 93 Concepts

Force and Laws of Motion

  • •Newton's Laws
  • •Inertia
  • •Momentum
Class 93 Concepts

Gravitation

  • •Universal Law
  • •Free Fall
  • •Mass vs Weight
  • + 1 more concepts
Class 94 Concepts

Work and Energy

  • •Work
  • •Energy Types
  • •Power
Class 93 Concepts

Sound

  • •Propagation
  • •Echo
  • •Sonar
Class 93 Concepts

Why Do We Fall Ill

  • •Health
  • •Diseases
  • •Prevention
Class 93 Concepts

Natural Resources

  • •Air
  • •Water
  • •Soil
  • + 1 more concepts
Class 94 Concepts

Improvement in Food Resources

  • •Crop Improvement
  • •Animal Husbandry
Class 92 Concepts

Crop Production and Management

  • •Agricultural Practices
Class 81 Concepts

Microorganisms: Friend and Foe

  • •Viruses
  • •Bacteria
  • •Preservation
Class 83 Concepts

Synthetic Fibres and Plastics

  • •Types
  • •Characteristics
  • •Environmental Impact
Class 83 Concepts

Materials: Metals and Non-Metals

  • •Physical Properties
  • •Chemical Properties
Class 82 Concepts

Coal and Petroleum

  • •Fossil Fuels
  • •Formation
Class 82 Concepts

Combustion and Flame

  • •Types of Combustion
  • •Flame Structure
  • •Fuel Efficiency
Class 83 Concepts

Conservation of Plants and Animals

  • •Deforestation
  • •Biosphere Reserves
Class 82 Concepts

Cell - Structure and Functions

  • •Parts of Cell
  • •Plant vs Animal Cell
Class 82 Concepts

Reproduction in Animals

  • •Modes
  • •Metamorphosis
  • •Cloning
Class 83 Concepts

Reaching the Age of Adolescence

  • •Puberty
  • •Hormones
  • •Reproductive Health
Class 83 Concepts

Force and Pressure

  • •Contact/Non-contact Forces
  • •Pressure
Class 82 Concepts

Friction

  • •Causes
  • •Increasing/Reducing
  • •Fluid Friction
Class 83 Concepts

Sound

  • •Production
  • •Propagation
  • •Characteristics
  • + 1 more concepts
Class 84 Concepts

Chemical Effects of Electric Current

  • •Conduction
  • •Electroplating
Class 82 Concepts

Some Natural Phenomena

  • •Lightning
  • •Earthquakes
Class 82 Concepts

Light

  • •Reflection
  • •Human Eye
  • •Care of Eyes
Class 83 Concepts

Stars and the Solar System

  • •Moon
  • •Planets
  • •Constellations
Class 83 Concepts

Pollution of Air and Water

  • •Causes
  • •Effects
  • •Prevention
Class 83 Concepts

Nutrition in Plants

  • •Autotrophic
  • •Heterotrophic
  • •Photosynthesis
Class 73 Concepts

Nutrition in Animals

  • •Digestion in Humans
  • •Ruminants
  • •Amoeba
Class 73 Concepts

Fibre to Fabric

  • •Wool
  • •Silk
  • •Processing
Class 73 Concepts

Heat

  • •Temperature
  • •Transfer of Heat
Class 72 Concepts

Acids, Bases and Salts

  • •Indicators
  • •Neutralization
Class 72 Concepts

Physical and Chemical Changes

  • •Rusting
  • •Crystallization
Class 72 Concepts

Weather, Climate and Adaptations

  • •Climate Types
  • •Animal Adaptations
Class 72 Concepts

Winds, Storms and Cyclones

  • •Air Pressure
  • •Thunderstorms
  • •Safety
Class 73 Concepts

Soil

  • •Profile
  • •Types
  • •Crops
Class 73 Concepts

Respiration in Organisms

  • •Breathing
  • •Cellular Respiration
Class 72 Concepts

Transportation in Animals and Plants

  • •Circulatory System
  • •Excretion
  • •Transport in Plants
Class 73 Concepts

Reproduction in Plants

  • •Asexual
  • •Sexual
  • •Seed Dispersal
Class 73 Concepts

Motion and Time

  • •Speed
  • •Distance-Time Graphs
Class 72 Concepts

Electric Current and its Effects

  • •Heating Effect
  • •Magnetic Effect
  • •Electromagnet
Class 73 Concepts

Light

  • •Lenses
  • •Mirrors
Class 72 Concepts

Water: A Precious Resource

  • •Availability
  • •Management
Class 72 Concepts

Forests: Our Lifeline

  • •Ecosystem
  • •Conservation
Class 72 Concepts

Wastewater Story

  • •Sewage Treatment
  • •Sanitation
Class 72 Concepts

Food: Where Does it Come From?

  • •Ingredients
  • •Sources
Class 62 Concepts

Components of Food

  • •Nutrients
  • •Balanced Diet
  • •Deficiency Diseases
Class 63 Concepts

Fibre to Fabric

  • •Spinning
  • •Weaving
  • •Knitting
Class 63 Concepts

Sorting Materials into Groups

  • •Properties of Materials
Class 61 Concepts

Separation of Substances

  • •Methods of Separation
Class 61 Concepts

Changes Around Us

  • •Reversible/Irreversible
  • •Expansion
Class 62 Concepts

Getting to Know Plants

  • •Herbs
  • •Shrubs
  • •Trees
  • + 1 more concepts
Class 64 Concepts

Body Movements

  • •Joints
  • •Muscles
  • •Gait of Animals
Class 63 Concepts

The Living Organisms and Their Surroundings

  • •Habitats
  • •Adaptations
  • •Living Characteristics
Class 63 Concepts

Motion and Measurement of Distances

  • •Units
  • •Types of Motion
Class 62 Concepts

Light, Shadows and Reflections

  • •Luminous
  • •Shadows
  • •Pinhole Camera
Class 63 Concepts

Electricity and Circuits

  • •Cell
  • •Bulb
  • •Switch
  • + 1 more concepts
Class 64 Concepts

Fun with Magnets

  • •Poles
  • •Attraction/Repulsion
Class 62 Concepts

Water

  • •Uses
  • •Water Cycle
  • •Conservation
Class 63 Concepts

Air Around Us

  • •Composition
  • •Oxygen
  • •Uses
Class 63 Concepts

Garbage In, Garbage Out

  • •Waste Management
  • •Recycling
  • •Vermicomposting
Class 63 Concepts

Expert Strategy for Science

The Modern Preparation Approach

Mastering Science in the 2026 cycle is not about how many books you read, but how many different types of problems you can recall during the exam. Our AI-driven analytics show that students who practice at least 15 questions per topic in Science see a 40% improvement in mock test scores within just three weeks.

For CLASS 9, the difficulty curve of Science has been steadily increasing. Concepts that were once considered 'advanced' are now part of the foundational set. To stay ahead, you must transition from passive reading to active testing. Our question bank for Science includes both Previous Year Questions (PYQs) and AI-curated challenges that reflect the latest trends from NTA, UPSC, and other testing bodies.

Pro Tip: The MCQ Blitz

Try solving 20 Science MCQs in exactly 20 minutes every morning. This builds the 'Internal Clock' needed for high-pressure exams like JEE or NEET.

Mastering the Syllabus

Every topic in the 83 chapters of Science has a different 'Retainability Index'. For instance, theoretical sections need revision every 7 days, whereas calculation-heavy chapters need consistent daily practice to maintain speed.

Our platform uses your attempt history to create a 'Topic Heatmap'. If the AI notices you are taking more than 90 seconds for a specific type of Science question, it will automatically flag that topic for a re-study session. This personalized loop ensures that your CLASS 9 preparation is always optimized and never redundant.

Cross-Subject Linkage

Success in Science often unlocks better understanding in these related subjects: