CBSE Class 9 Science Syllabus - Free PDF Download
CBSE Syllabus 2026-27 Class 9: The CBSE Class 9 Science Syllabus for the examination year 2026-27 has been released by the Central Board of Secondary Education, CBSE. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2026-27 CBSE Class 9 Science Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CBSE syllabus to prepare for their annual exam properly.
The detailed CBSE Class 9 Science Syllabus for 2026-27 is below.
Academic year:
CBSE Class 9 Science Revised Syllabus
CBSE Class 9 Science Course Structure 2026-27 With Marking Scheme
| # | Unit/Topic | Marks | Marks with options |
|---|---|---|---|
| 1 | Matter in Our Surroundings | ||
| 2 | Is Matter Around Us Pure | ||
| 3 | Atoms and Molecules | ||
| 4 | Structure of the Atom | ||
| 5 | The Fundamental Unit of Life | ||
| 6 | Tissues | ||
| 7 | Diversity in Living Organisms | ||
| 7 | Motion | ||
| 8 | Force and Laws of Motion | ||
| 9 | Gravitation | ||
| 10 | Work and Energy | ||
| 11 | Sound | ||
| 12 | Improvement in Food Resources | ||
| 13 | Why Do We Fall ill | ||
| 14 | Natural Resources | ||
| Total | - | - |
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Syllabus
1 Matter in Our Surroundings [Revision]
- Matter (Substance)
- Experiment 1
- Experiment 2
- Experiment 3
- Experiment 4
- Substance (Matter)
- Physical Nature of matter
- Chemical properties
- Characteristics of Particles (Molecules) of Matter
- Characteristics of particles or matter
- Classification of Matter and Particle
- Experiment
- States of Matter
- The Solid State
- The Solid State of Matter
- Characteristics of Solids
- The Liquid State
- The Liquid State of Matter
- Characteristics of Liquids
- The Gaseous State
- The Gaseous State of Matter
- Characteristics of Gases
- Plasma
- Bose-einstein Condensate
- The Solid State
- Change of State
- Concept of Evaporation
- Factors Affecting Evaporation
- How does Evaporation cause cooling?
- Concept of Melting (Fusion)
- Melting (Fusion)
- Melting point
- Latent heat
- Latent heat of fusion
- Heating curve of ice during melting
- Change in volume on melting
- Effect of pressure on the melting point
- Effect of impurities on the melting point
- Concept of Freezing (Solidification)
- Introduction
- Melting and Freezing Point of Water
- Boiling and Condensation Points
- Concept of Condensation (Liquefaction)
- Concept of Desublimation (Deposition)
- Concept of Evaporation
- Vaporisation or Boiling
- Definition: Vaporisation
- Definition: Boiling Point
- Example
- Changes in States of Water
- Experiment: Heating Curve for Water
- Sublimation
2 Is Matter Around Us Pure [Revision]
- Matter (Substance)
- Experiment 1
- Experiment 2
- Experiment 3
- Experiment 4
- Substance (Matter)
- Physical Nature of matter
- Chemical properties
- Natural substances
- Mixture
- Introduction
- Separation of Unwanted Substances from Mixtures
- Activity
- Types of Mixtures
- Types of Mixtures
- Experiment 1
- Experiment 2
- Introduction to Solutions
- Concentration of a Solution
- Reactions in solutions
- Mass percentage
- Mole fraction
- Molarity
- Molality
- Volume percentage
- Suspension Solution
- Definition
- Suspension Solution
- Colloidal Solution
- Definition
- Colloidal Solution
- Understanding Compounds
- Experiment
- Methods of Separation
- Solvent Extraction (Using a Separating Funnel Method)
- Introduction to Separation Using a Separating Funnel
- Experiment
- Chromatography Method
- Introduction
- Experiment
- Simple Distillation Method
- Distillation Method
- Experiment 1
- Experiment 2
- Solvent Extraction (Using a Separating Funnel Method)
- Sublimation
- Classification of Change: Physical Changes
- Chemical Reaction
- Definition: Chemical Change
- Definition: Reactants
- Definition: Products
- Pure Substances
- Pure substance
- Characteristics of Pure substance
- Examples of Pure Substance
- Compound
- Introduction
- Experiment 1
- Experiment 2
- Elements
- Experiment
- Elements
3 Atoms and Molecules [Revision]
- History of Atom
- Laws of Chemical Combination
- Introduction
- Experiment
- Dalton's Atomic Theory
- Atoms: Building Blocks of Matter
- Introduction of Atom
- Discovery of Charged Particles and the Structure of an Atom
- Symbols Used to Represent Atoms of Different Elements
- Atomic Mass
- Relative Atomic Mass (RAM)
- Definition: Relative Atomic Mass or Atomic Weight
- Relative Atomic Mass (RAM)
- Molecules
- Molecule
- Properties of molecule
- Classification of Molecules
- Difference Between Atoms and Molecules
- Ions (Radicals) and Its Types
- Radicals
- Formation of Radicals
- Types of Radicals
- Chemical Formula or Molecular Formula
- Chemical formulae of compounds : A recapitulation
- Molecular Mass
- Formula Unit Mass
- Mole Concept
- Definition: Mole
- Definition: Avogadro's Number
- Atoms and Molecules Numericals
4 Structure of the Atom [Revision]
- Existence of Charged Particles in Matter
- Atoms: Building Blocks of Matter
- Introduction of Atom
- Discovery of Charged Particles and the Structure of an Atom
- Discovery of Charged Particles in Matter
- Cathode Ray Tube (CRT) experiment
- Atomic Models
- Advantage and Limitations of Thomson’s Atomic Model
- Limitations of Rutherford’s Atomic Model
- Neils Bohr’s Model of an Atom
- Electronic Configuration of Atom
- Periodic Trends in the Modern Periodic Table
- Definition: Periodic Trends
- Definition: valency
- Different Ways to Determine Valency
- Atomic Number (Z) and Mass Number (A)
- Atomic Mass
- Uses of Radioactive Isotopes
- Introduction
- Medical Use
- Scientific Use
- Industrial Use
- Isotopes
- Definition: Isotopes
- Examples
- Atoms and Molecules Numericals
5 The Fundamental Unit of Life [Revision]
- The Invention of the Microscope and the Discovery of Cell
- Cell Theory
- Prokaryotic and Eukaryotic Cell
- Characteristics of Cells
- Types of Cells
- Difference between Prokaryotic and Eukaryotic cells
- Cell Organelles
- Introduction
- Definition: Organelles
- Definition: Protoplasm or Protoplast
- Definition: Cell Inclusions
- Key Points: Cell Organelles
- Endoplasmic Reticulum (ER)
- Introduction
- Functions of ER
- Key Points: Endoplasmic Reticulum (ER)
- Golgi Apparatus - "The delivery system of the cell"
- Introduction
- Functions of Golgi Apparatus
- Key Points: Golgi Apparatus
- Lysosome - “Suicidal Bag”
- Introduction
- Functions of Lysosomes
- Key Points: Lysosomes
- Mitochondria - “Power House of the Cell”
- Introduction
- Functions of Mitochondria
- Key Points: Mitochondria
- Plastids
- Key Points: Plastids
- Structure of the Cell > Plasma Membrane / Cell Membrane
- Key Points: Cell Membrane
- Structure of the Cell > Cell Wall: “Supporter and Protector”
- Key Points: Cell Wall
- Structure of the Cell > Nucleus: “Brain” of the Cell
- Introduction
- Experiment
- Definition: Chromatin Fibres
- Key Points: Nucleus
- Structure of the Cell > Cytoplasm: “Area of Movement”
- Introduction
- Definition: Cytosol
- Key Points: Cytoplasm
- Non-living Substances Or Cell Inclusion
- Cell Inclusion
- Granule
- Vacuole
- Functions of Vacuole
- Key Points: Vacuoles & Granules
- Plant Cell Vs Animal Cell
- Cell Division: an Essential Life Process
- Key Points: Cell Division
6 Tissues [Revision]
- Tissues - “The Teams of Workers”
- Introduction
- Differences Between Plant and Animal Tissues
- Plant and Animals Tissue
- Plant Tissues
- Introduction
- Experiment
- Meristems or Meristematic Tissues
- Introduction
- Types of Meristematic Tissue
- Permanent Tissue
- Simple Permanent Tissues (Supporting Tissue)
- Introduction
- Experiment
- Types of Simple Permanent Tissues
- Complex Permanent Tissues
- Introduction
- Types of Complex Permanent Tissues
- Simple Permanent Tissues (Supporting Tissue)
- Animal Tissues
- Epithelial Tissue
- Introduction
- Simple Epithelium Tissue
- Compound Epithelial Tissue
- Connective Tissue
- Introduction
- Loose Connective Tissue
- Dense Connective Tissue
- Specialized Connective Tissue
- Muscular Tissue
- Introduction
- Types of Muscular Tissue
- Nervous Tissue
- Introduction
- Structure of a Neuron
- Epithelial Tissue
7 Diversity in Living Organisms [Revision]
- Introduction of Biological Classification
- Classification of Living Organisms
- Classification
- Need for Classification
- Advantages of Classification
- Taxonomic Hierarchy of Living Organisms: Unit of Classification
- Five Kingdom Classification
- Introduction
- Hierarchy Classification
- Five Kingdom Classification
- Kingdom Monera
- Introduction
- Experiment
- Kingdom Protista
- Introduction
- Experiment
- Kingdom Fungi
- Introduction
- Experiment
- Differences Between Plantae (Plants) and Animalia (Animals)
- Kingdom Plantae
- Kingdom Plantae: Thallophyta (Fungi)
- Sub-division Algae
- Cryptogams > Division II- Bryophytes
- Bryophyta
- Activity
- Cryptogams > Division III- Pteridophytes
- Phanerogams > Division I-Gymnosperms
- Phanerogams > Division II- Angiosperms
- Angiosperms
- Activity
- Classification of Angiosperms
- Kingdom Animalia
- Non Chordates (Invertebrata)
- Phylum: Porifera
- Definition: Ostia
- Definition: Osculum
- Definition: Collar Cells
- Key Points: Porifera
- Phylum: Cnidaria/Coelenterata
- Definition: Polyp
- Definition: Medusa
- Key Points: Cnidaria/Coelenterata
- Phylum: Platyhelminthes
- Key Points: Platyhelminthes
- Phylum: Annelida
- Key Points: Annelida
- Phylum: Arthropoda
- Key Points: Arthropoda
- Phylum: Mollusca
- Key Points: Mollusca
- Phylum: Echinodermata
- Key Points: Echinodermata
- Phylum: Porifera
- Subphylum: Prochordata
- Phylum: Chordata
- Subphylum: Vertebrata/Craniata
- Key Points: Vertebrata/Craniata
- Subphylum: Vertebrata/Craniata
- Invertebrata and Vertebrata
- Non Chordates (Invertebrata)
- Chordates
- Chordata: Prochordata
- Chordata: Vertebrata
- Comparison of chordates and non-chordates
- Taxonomy and Systematics
- Taxonomy
- Systematics
- Classification of Taxonomy
- Plant Taxonomy
- Animal Taxonomy
- Nomenclature
- Definition: Nomenclature
- Key Points: Nomenclature of Carbon Compounds
7 Motion [Revision]
- Force and Motion
- Describing Motion
- Motion along a straight line
- Uniform and Non-Uniform motion
- Motion Along a Straight Line
- One dimensional motion
- Representation of one dimension notion
- Types of Motion
- Measuring the Rate of Motion - Speed with Direction
- Rate of Change of Velocity
- Distance and Displacement
- Introduction
- Experiment
- Graphical Representation of Motion
- Displacement - Time Graph Or Distance - Time Graph
- Distance-time graph for uniform motion
- Distance-time graph for non-uniform motion
- Velocity - Time Graphs
- Velocity-time graph for uniform velocity
- Velocity-time graph for uniform acceleration
- Displacement - Time Graph Or Distance - Time Graph
- Equations of Motion by Graphical Method
- Uniform Circular Motion (UCM)
- Motion (Numerical)
8 Force and Laws of Motion [Revision]
- Force
- Definition: Force
- Formula: Force
- Key Points: Force
- Force - Push or Pull
- Effect of Force
- A Force can change the State of motion
- Force can change the shape of an object
- Stops or tries to stop a moving body
- Changes or tries to change the direction of motion of a moving body
- Like parallel forces effect
- Unbalanced forces effect
- Unlike parallel forces effect
- Types of Forces>Contact and Non-Contact Forces
- Balanced and Unbalanced Forces
- Introduction
- Experiment
- Inertia and Mass
- Combined Forces
- Inertia and Mass
- Activity
- Conservation of Momentum
- Newton’s Laws of Motion
9 Gravitation [Revision]
- Concept of Gravitation
- Newton's Universal Law of Gravitation
- Free Fall
- Key Points: Free Fall
- Acceleration Due to Gravity (Earth’s Gravitational Acceleration)
- Mass and Weight
- Definition: Mass
- Definition: Weight
- Thrust and Pressure
- Pressure of liquid
- Introduction
- Experiment 1
- Experiment 2
- Buoyancy Force (Upthrust Force)
- Introduction
- Experiment 1
- Experiment 2
- Density of the Fluid
- Archimedes Principle
- Introduction
- Discovery of Archimedes Principle
- Archimedes Principle
- Experiment
- Relative Density and Its Unit
- Relative density
- Unit of relative density
10 Work and Energy [Revision]
- Concept of Work
- Definition: Work
- Key Points: Units of Work
- Concept of Energy
- Definition: Energy
- Key Points: Energy
- Forms of Energy > Mechanical Energy
- Definition: Mechanical Energy
- Mechanical Energy > Kinetic Energy (K)
- Definition: Kinetic Energy
- Formula: Kinetic Energy
- Definition: Translational Motion
- Definition: Translational Kinetic Energy
- Definition: Rotational Motion
- Definition: Rotational Kinetic Motion
- Definition: Vibrational Motion
- Definition: Vibrational Kinetic Energy
- Mechanical Energy > Potential Energy (U)
- Definition: Mechanical Energy
- Definition: Potential Energy
- Formula: Gravitational Potential Energy
- Key Points: Potential Energy
- Potential Energy of an Object at a Height
- Conversion of Energies
- Key Points: Conversion of Energies
- Principle of Conservation of Energy
- Definition: Principle of Conservation of Energy
- Rate of Doing Work
- Work and Energy (Numericals)
11 Sound [Revision]
- Sound Waves
- Production of Sound
- Introduction
- Production of Sound Using a Tuning Fork
- Experiment
- Propagation of Sound
- Introduction
- Experiment 1
- Experiment 2
- Sound Need a Medium to Travel
- Sound Waves Are Longitudinal Waves
- Characteristics of Sound
- Speed of Sound (Velocity of Sound)
- Introduction
- Activity
- Reflection of Sound Waves
- Definition: Reflection of Sound Waves
- Echo
- Reverberation
- Uses of Multiple Reflection of Sound
- Range of Hearing in Humans
- Ultrasonic Sound Or Ultrasound
- Ultrasonic Sound or Ultrasound
- Applications of ultrasonic waves
- Difference between ultrasonic and supersonic
- SONAR
- Introduction of SONAR
- Application of SONAR
- Sound (Numerical)
12 Improvement in Food Resources [Revision]
- Improvements in Food Resources
- Improvement in Crop Yields
- Crop Variety Improvement
- Methods to Replenish Nutrients in Your Soil
- Manuring (Biomanuring)
- Fertilizers
- Introduction of Fertilizers
- Harmful Effects of Chemical Fertilizers
- Protection of crops
- Steps for Storing Grain
- Steps to Protect Grain from Damage
- Improved methods of agriculture
- Improved seeds
- Irrigation
- Modern methods of irrigation
- Modern Irrigation Methods
- Agricultural Assistance Programme
- Animal Husbandry (Livestock) > Poultry Farm Management
- Poultry Farm Management
- Components of Poultry Farm Management
- Egg and Broiler Production
- Poultry Disease
- Animal Husbandry (Livestock) > Pisciculture (Fish Farming)
- Animal Husbandry (Livestock) > Apiculture (Bee Farming)
13 Why Do We Fall ill [Revision]
- Categories of Disease
- Categories of Disease
- Extent of occurrence
- Endemic diseases
- Epidemic diseases
- Pandemic diseases
- Sporadic diseases - Communicability: Communicable or Infectious diseases & Non- Communicable or Non-Infectious diseases
- Kinds of pathogens
- Kinds of transmitting agents
- Congenital diseases and acquired diseases
- Other types of diseases
- Infectious diseases
- Hereditary diseases
- Physiological diseases
- Deficiency diseases
- Acute and Chronic Diseases
- Causes of Disease
- Infectious Agents
- Manifestation of Diseases
- Modes of Transmission of Diseases
- Spread of disease through air
- Spread of disease through water
- Spread of disease through food
- Spread of disease by insects
- Spread of disease by direct contact
- Organ-specific and Tissue-specific Manifestations
- Principles of Prevention of Diseases
- Principles of Treatment of Diseases
14 Natural Resources [Revision]
- Natural Resources
- Introduction
- Proportion of Land and Water on Earth
- Causes of Depletion of Natural Resources
- Impact of Depletion of Natural Resources
- Steps to Prevent Depletion of Resources
- Biosphere: The Domain of Life
- Air is a Mixture
- Atmosphere and Its Layers
- Atmosphere
- Layers of Atmosphere
- The Role of Atmosphere In Climate Control
- Rain
- Water: Our Lifeline
- Introduction
- Importance of Water for Sustaining Life
- Where Do We Get Water From?
- Availability of Water
- Importance of Water
- Mineral Riches in the Soil
- Biogeochemical Cycles (Nutrient Cycles)
