CBSE Class 9 detailed syllabus for Science

CBSE Class 9 Science Syllabus (2025-26)

Unit 1: Matter - Its Nature and Behaviour

1. Matter in Our Surroundings
   • Physical Nature of Matter
   • States of Matter
   • Characteristics of the Particles of Matter
   • Change of State (Melting, Boiling, Sublimation, etc.)
   • Evaporation and Factors Affecting Evaporation
2. Is Matter Around Us Pure
   • Mixtures and Types (Homogeneous and Heterogeneous)
   • Solutions, Suspensions, and Colloids
   • Separation Techniques
   • Physical and Chemical Changes
   • Elements, Compounds, and Mixtures
3. Atoms and Molecules
   • Laws of Chemical Combination
   • Dalton’s Atomic Theory
   • Atoms and Molecules
   • Atomic and Molecular Masses
   • Mole Concept
   • Chemical Formulas and Equations
4. Structure of the Atom
   • Thomson’s Model of Atom
   • Rutherford’s Model of Atom
   • Bohr’s Model of Atom
   • Neutrons and Isotopes
   • Electronic Configuration

Unit 2: Organization in the Living World

1. The Fundamental Unit of Life
   • Discovery of the Cell
   • Cell Theory
   • Prokaryotic and Eukaryotic Cells
   • Plant and Animal Cells
   • Cell Organelles (Structure and Functions)
2. Tissues
   • Plant Tissues (Meristematic and Permanent)
   • Animal Tissues (Epithelial, Connective, Muscular, Nervous)
3. Diversity in Living Organisms
   • Classification of Living Organisms
   • Hierarchy of Classification Groups
   • Five Kingdom Classification
   • Major Groups of Plantae and Animalia
   • Nomenclature

Unit 3: Motion, Force, and Work

1. Motion
   • Distance and Displacement
   • Speed and Velocity
   • Acceleration
   • Graphical Representation of Motion
   • Equations of Motion by Graphical Method
   • Uniform Circular Motion
2. Force and Laws of Motion
   • Force and its Effects
   • Newton’s Laws of Motion
   • Inertia and Mass
   • Momentum and Conservation of Momentum
   • Action and Reaction Forces
3. Gravitation
   • Universal Law of Gravitation
   • Free Fall and Acceleration due to Gravity
   • Mass and Weight
   • Thrust and Pressure
   • Archimedes’ Principle
   • Relative Density
4. Work and Energy
   • Work Done by a Force
   • Energy and Forms of Energy
   • Kinetic and Potential Energy
   • Law of Conservation of Energy
   • Power and Commercial Unit of Energy
5. Sound
   • Nature of Sound and its Propagation in Various Media
   • Speed of Sound
   • Echo and Sonar
   • Structure of Human Ear

Unit 4: Our Environment

1. Natural Resources
   • Air, Water, Soil as Resources
   • Role of Atmosphere in Climate Control
   • The Water Cycle, Nitrogen Cycle, Carbon Cycle, Oxygen Cycle
   • Soil Formation
   • Fossil Fuels and Their Uses
2. Improvement in Food Resources
   • Crop Production Management
   • Animal Husbandry
   • Irrigation and Manure
   • Pest Control
   • Storage of Grains
   • Breeding and Economic Importance of Cattle, Poultry, and Fishery

Unit 5: Food Production and Management

1. Health and Disease
   • Introduction to Health
   • Diseases and Their Causes
   • Types of Diseases (Infectious and Non-Infectious)
   • Prevention and Control of Diseases
   • Principles of Treatment
   • Vaccination and Immunization

This syllabus covers all the key concepts and topics that students will need to study for the Class 9 Science examination. It is designed to provide a strong foundation in scientific principles and help students develop critical thinking and problem-solving skills.