CBSE 9th Class Science Syllabus


Course Structure

I Term Units Topics Marks
I Matter - Its Nature & Behaviour 29
II Organisation in the Living World 18
III Motion, Force and Work 30
V Food; Food Production 13
Total 90
II Term Units Topics Marks
I Matter - Its Nature & Behaviour 18
II Organisation in Living World 26
III Motion, Force and Work 36
IV Our Environment 10
Total 90

First Term Course Syllabus

Unit I: Matter - Its Nature & Behaviour

Chapter I: Definition of Matter

  • Definition of matter
  • Solid, liquid and gas
  • Characteristics - shape, volume, density
  • Change of state-melting (absorption of heat)
  • Freezing
  • Evaporation (cooling by evaporation)
  • Condensation
  • Sublimation

Chapter II: Nature of Matter

  • Elements
  • Compounds
  • Mixtures
  • Heterogenous and homogenous mixtures
  • Colloids and suspensions

Unit II: Organisation in the Living World

Chapter I: Cell - Basic Unit of life

  • Cell as a basic unit of life

  • Prokaryotic and eukaryotic cells

  • Multicellular organisms

  • Cell membrane and cell wall

  • Cell organelles; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus, nucleus

  • Chromosomes - basic structure, number

Chapter II: Tissues, Organs, Organ System, Organism

  • Structure and functions of animal and plant tissues

  • Types of Tissue (four types in animals; meristematic and permanent tissues in plants)

Unit III: Motion, Force and Work

Chapter I: Motion

  • Distance and displacement

  • Velocity

  • Uniform and non-uniform motion along a straight line

  • Acceleration

  • Distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion

  • Equations of motion by graphical method

  • Elementary idea of uniform circular motion

Chapter II: Force and Newton's Laws

  • Force and motion
  • Newton's laws of motion
  • Inertia of a body, inertia and mass, momentum, force and acceleration
  • Elementary idea of conservation of momentum
  • Action and reaction forces

Chapter III: Gravitation

  • Gravitation
  • Universal law of gravitation
  • Force of gravitation of the earth (gravity)
  • Acceleration due to gravity
  • Mass and weight
  • Free fall

Unit V: Food Production

Chapter I: Plant and Animal

  • Plant and animal breeding and selection for quality improvement and management

  • Use of fertilizers, manures

  • Protection from pests and diseases

  • Organic farming

Second Term Course Syllabus

Unit I: Matter - Its Nature and Behaviour

Chapter III: Particle nature, basic units

  • Atoms and molecules
  • Law of constant proportions
  • Atomic and molecular masses

Chapter IV: Mole Concept

  • Relationship of mole to mass of the particles and numbers
  • Valency
  • Chemical formula of common compounds

Chapter V: Structure of atom

  • Electrons, protons and neutrons
  • Isotopes
  • Isobars

Unit II: Organisation in the Living World

Chapter III: Biological Diversity

  • Diversity of plants and animals - basic issues in scientific naming, basis of classification

  • Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thalophyta, Bryo phyta, Pteridophyta, gymnosperms and Angiosperms)

  • Major groups of animals (salient features) (Non-chordates up to phyla and chordates up to classes)

Chapter IV: Health and Diseases

  • Health and its failure

  • Infectious and Non-infectious diseases, their causes and manifestation

  • Diseases caused by microbes (Virus, Bacteria and protozoans) and their prevention, Principles of treatment and prevention. Pulse Polio programmes

Unit III: Motion, Force and Work

Chapter IV: Floatation

  • Thrust and pressure
  • Archimedes' principle
  • Buoyancy
  • elementary idea of relative density

Chapter V: Work, energy and power

  • Work done by a force, energy, power
  • Kinetic and potential energy
  • Law of conservation of energy

Chapter VI: Sound

  • Nature of sound and its propagation in various media, speed of sound, range of hearing in humans

  • Ultrasound

  • Reflection of sound; echo and SONAR

  • Structure of the human ear (auditory aspect only)

Unit IV: Our Environment

Chapter I: Physical Resources

  • Air, Water, Soil
  • Air for respiration, for combustion, for moderating temperatures
  • Movements of air and its role in bringing rains across India
  • Air, water and soil pollution (brief introduction)
  • Holes in ozone layer and the probable damages

Chapter II: Bio-geo chemical cycles in nature

  • Water
  • Oxygen
  • Carbon
  • Nitrogen

Practical Topics: First Term


  • The presence of starch in the given food sample
  • The presence of the adulterant metanil yellow in dal


  • A true solution of common salt, sugar and alum

  • A suspension of soil, chalk powder and fine sand in water

  • A colloidal solution of starch in water and egg albumin/milk in water and distinguish between these on the basis of −

    • Transparency

    • Filtration criterion

    • Stability


  • A mixture
  • A compound

By using iron filings and sulphur powder, distinguish between these on the basis of −

  • Appearance, i.e., homogeneity and heterogeneity
  • Behaviour towards a magnet
  • Behaviour towards carbon disulphide as a solvent
  • Effect of heat

Carry out the following reactions and classify them as physical or chemical changes:

  • Iron with copper sulphate solution in water

  • Burning of magnesium in air

  • Zinc with dilute sulphuric acid

  • Heating of copper sulphate

  • Sodium sulphate with barium chloride in the form of their solutions in water

Prepare stained temporary mounts of:

  • Onion peel and

  • Human cheek cells and to record observations and draw their labeled diagrams


  • Parenchyma and sclerenchyma tissues in plants
  • Stripe muscle fibers and nerve cells in animals
  • Prepare slides and to draw their labeled diagrams


  • Components of a mixture of sand
  • Common salt and ammonium chloride (or camphor) by sublimation


  • Melting point of ice
  • Boiling point of water


  • Relationship between weight of a rectangular wooden block lying on a horizontal table and the minimum force required to just move it using a spring balance


  • Mass percentage of water imbibed by raisins

Practical Topics: Second Term


  • Laws of reflection of sound


  • Density of solid (denser than water) by using a spring balance and a measuring cylinder


  • Relation between the loss in weight of a solid when fully immersed in

    • Tap water

    • Strongly salty water, with the weight of water displaced by it by taking at least two different solids

Observe and compare

  • Pressure exerted by a solid iron cuboid on fine sand/ wheat flour while resting on its three different faces and to calculate the pressure exerted in the three different cases.


  • Velocity of a pulse propagated through a stretched string/slinky.


  • Characteristic of Spirogyra/Agaricus, Moss/Fern, Pinus (either with male or female cone) and an Angiospermic plant

  • Draw and give two identifying features of the groups they belong to


  • Given pictures/charts/models of earthworm, cockroach, bony fish and bird. For each organism, draw their picture and record −

    • One specific feature of its phylum

    • One adaptive feature with reference to its habitat


  • Law of conservation of mass in a chemical reaction

Study the external features of:

  • Root
  • Stem
  • Leaf and
  • Flower of monocot and dicot plants


  • Life cycle of mosquito

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