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CBSE Syllabus for Class 9 Science 2019-20

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CBSE Syllabus of Class 9 Science 2019-20 Science allows us to understand the interactions between various chemicals and our bodies to make medicine, to transfer electrons through wires and into light bulbs so we can see without sunlight. We could survive without science, but life would be more difficult. The Science syllabus is divided into 5 units that carry 80 marks, and 20 marks are allotted for practicals. Student can Download Latest CBSE Syllabus for class 9 in PDF format is now available in myCBSEguide mobile app. The curriculum for March 2020 exams is designed by CBSE, New Delhi as per NCERT textbooks for the session 2019-20.

CBSE Syllabus for class 9 Science 2019-20

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CBSE Syllabus Class 9 Science

(Annual Examination)

Marks: 80

Unit No.UnitMarksPeriods
Iperiods Its Nature and Behaviour2350
IIOrganization in the Living World2045
IIIMotion, Force, and Work2760
IVOur Environment0615
VFood; Food Production0410
Internal assessment20
Grand Total100

Theme: Materials
(50 Periods)
Unit I: Matter-Nature and Behaviour

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.
Nature of matter: Elements, compounds, and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions.
Particle nature, basic units: Atoms and molecules, Law of constant proportions, Atomic and molecular masses. Mole concept: Relationship of a mole to a mass of the particles and numbers. Structure of atoms: Electrons, protons and neutrons, valency, the chemical formula of common compounds. Isotopes and Isobars.

Theme: The World of the Living
(45 Periods)
Unit II: Organization in the Living World
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 and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus,
chromosomes – basic structure, number.
Tissues, Organs, Organ System, Organism: Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).
Biological Diversity: Diversity of plants and animals-basic issues in scientific naming, the basis of classification. Hierarchy of categories/groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms). Major groups of animals (salient features) (Non-chordates upto phyla and chordates upto classes).
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.

Theme: Moving Things, People and Ideas
(60 Periods)
Unit III: Motion, Force and Work
 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, derivation of equations of motion by the graphical method; elementary idea of uniform circular motion.
Force and Newton’s laws: Force and Motion, Newton’s Laws of Motion, Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration. Elementary idea of conservation of Momentum.
Gravitation: Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Freefall.
Floatation: Thrust and Pressure. Archimedes’ Principle; Buoyancy; Elementary idea of Relative Density.
Work, energy and power: Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy.
Sound: Nature of sound and its propagation in various media, the speed of sound, a range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only).

Theme: Natural Resources: Balance in nature
(15 Periods)
Unit IV: Our Environment

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 the ozone layer and the probable damages.
Bio-geochemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.

Theme: Food
(10 Periods)
Unit V: Food Production

Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.


(30 Periods)
Practicals should be conducted alongside the concepts taught in theory classes.

  1. Preparation of:
    1. a true solution of common salt, sugar and alum
    2. a suspension of soil, chalk powder and fine sand in the water
    3. 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
  2. Preparation of
    1. A mixture
    2. A compound
      using iron filings and sulphur powder and distinguishing between these on the basis of:

      1. appearance, i.e., homogeneity and heterogeneity
      2. behaviour towards a magnet
      3. behaviour towards carbon disulphide as a solvent
  3. Separation of the components of a mixture of sand, common salt and ammonium chloride (or camphor).
  4. Perform the following reactions and classify them as physical or chemical changes:
    1. Iron with copper sulphate solution in water
    2. Burning of magnesium ribbon in the air
    3. Zinc with dilute sulphuric acid
    4. Heating of copper sulphate crystals
    5. Sodium sulphate with barium chloride in the form of their solutions in water
  5. Preparation of stained temporary mounts of (a) onion peel, (b) human cheek cells & to record observations and draw their labelled diagrams.
  6. Identification of Parenchyma, collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle fibres and nerve cells in animals, from prepared slides. Draw their labelled diagrams.
  7. Determination of the melting point of ice and the boiling point of water.
  8. Verification of the Laws of reflection of sound.
  9. Determination of the density of solid (denser than water) by using a spring balance and a measuring cylinder.
  10. Establishing the relation between the loss in weight of a solid when fully immersed in
    1. Tap water
    2. Strongly salty water with the weight of water displaced by it by taking at least two different solids.
  11. Determination of the speed of a pulse propagated through a stretched string/slinky(helical spring).
  12. Study of the characteristics 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.
  13. Observe the given pictures/charts/models of earthworm, cockroach, bony fish and bird. For each organism, draw their picture and record:
    1. one specific feature of its phylum.
    2. one adaptive feature with reference to its habitat.
  14. Verification of the law of conservation of mass in a chemical reaction.
  15. Study of the external features of root, stem, leaf and flower of monocot and dicot plants.


  • Science-Textbook for class IX-NCERT Publication
  • Laboratory Manual-Science-Class IX, NCERT Publication
  • Exemplar Problems Class IX – NCERT Publication

Board Examination –Theory
Maximum Marks: 80
Duration : 3 Hours

Sr. No.Typology of QuestionsObjective Type * (01 marks)SA (03 marks)LA (05 marks)Total
1Remembering: Exhibit memory of previously learned material by recalling facts, terms, basic concepts, and answers.07020122.5%
2Understanding: Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting, giving descriptions, and stating main ideas04020225%
3Applying: Solve problems to new situations by applying acquired knowledge, facts, techniques and rules in a different way04010221.25%
4Analyzing and Evaluating: Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalizations Present and defend opinions by making judgments about information, the validity of ideas, or quality of work based on a set of criteria.05020120%
5Creating: Compile information together in a different way by combining elements in a new pattern or proposing alternative solutions0311.25%
Total20 (20)10 (30)06 (30)100%

All questions would be compulsory. However, an internal choice of approximately 33% would be provided.

  1. Internal Assessment: 20 Marks
    • Periodic Assessment – 05 marks + 05 marks
    • Subject Enrichment (Practical Work) – 05 marks
    • Portfolio – 05 marks

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