CBSE Syllabus For Class 9 Science 2020-21 | Download Revised Syllabus

CBSE Syllabus For Class 9 Science

CBSE Syllabus For Class 9 Science 2020-21 PDF: CBSE class 9 science syllabus lets you know the overview of the units and chapter under each unit of science subject. Here you will find the complete information of marks allocated to each unit. The CBSE class 9 annual paper will be design based on these marks distribution. So, you must know the CBSE Syllabus for Class 9 Science. It will also help you to plan the studies.

You will become more familiar with the chapters, marks weightage, and time duration with the latest CBSE Class 9 Science syllabus. Along with the theory CBSE Class 9 Science syllabus, students will also find the practical science syllabus.

Here we are providing you the complete guide on CBSE Syllabus For Class 9 Science 2020-21.

Revised CBSE Syllabus For Class 9 Science 2021

Science is an essential subject for CBSE Class 9. You should clear the concept on all topics to score a better mark in the annual exam. With a better base on the subject, you will easily By practicing the exercise daily and clearing the concept on every theory and problems. You will able to score a better mark in the final exam.

Revised Class 9 Science Syllabus 2021 PDF

With depth concept on the subject will help you to understand better Class 10 Maths in the future. If you want to study in the Science Stream in the future, then you should give special attention to the subject.

The CBSE Class 9 annual exam for Maths is organized for 80 Marks. The other 20 marks is for Internal Assessment. From below, you can check the mark distribution and detailed CBSE Syllabus For Class 9 Science.

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CBSE Marking Scheme For Class 9 Science 2021

The marks distribution for every unit in the CBSE Syllabus For Class 9 Science are tabulated below:

CBSE Class 9 Syllabus: Unit-wise Marks Distribution



Unit 1: Matter – Its Nature And Behavior


Unit 2: Organisation In The Living world


Unit 3: Motion, Force, And Work


Unit 4: Our Environment


Unit 5: Food Production




Deleted Syllabus for CBSE Class 9 Science

Here to download Deleted Syllabus for CBSE Class 9 Science

DELETED Syllabus for Class 9 Science


Unit-Wise Detailed For CBSE Syllabus For Class 9 Science 2020-21

Check the detailed CBSE Syllabus For Class 9 Science 2020-21 from below.

Unit 1: Matter – Its Nature And Behavior (50 Periods)

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 mole to mass of the particles and numbers.

Structure of atoms: Electrons, protons, and neutrons, valency, the chemical formula of common compounds. Isotopes and Isobars.

Unit 2: Organisation In The Living World (45 Periods)

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) (Nonchordates 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 programs.

Unit 3: Motion, Force, And Work (60 Periods)

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, derivation of equations of motion by 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; ElementaryIdea 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, speed of sound, range of hearing in humans; ultrasound; the reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only).

Unit 4: Our Environment (15 Periods)

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-geo chemical cycles in nature: Water, Oxygen, Carbon, and Nitrogen.

Unit 5: Food Production (10 Periods)

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

It is to be noted that out of 80 marks annual exam of Science, 68 marks are for theory and 12 marks for practicals. Let us now look at the CBSE Syllabus For Class 9 Science practicals.

CBSE Syllabus For Class 9 Science Practicals

List Of Experiments

  1. Preparation of:
    • 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 distinction between these on the basis of:
      • Transparency
      • Filtration criterion
      • Stability
  1. Preparation of
    • A mixture
    • A compound using iron filings and sulfur powder and distinction between these on the basis of:
      • Appearance, i.e., homogeneity and heterogeneity
      • Behavior towards a magnet
      • Behavior towards carbon disulfide as a solvent
      • Effect of heat
  1. Separation of the components of a mixture of sand, common salt, and ammonium chloride (or camphor).
  2. Performing the following reactions and classifying them as physical or chemical changes :
      • Iron with copper sulfate solution in water
      • Burning of magnesium ribbon in air
      • Zinc with dilute sulphuric acid
      • Heating of copper sulfate crystals
      • Sodium sulfate with barium chloride in the form of their solutions in water.
  1. Preparation of temporary stained mounts of (a) onion peel, (b) human cheek cells & to record observations and draw their labeled diagrams.
  2. Identification of Parenchyma, Collenchyma, and Sclerenchyma tissues in plants, striped, smooth, and cardiac muscle fibers and nerve cells in animals from prepared slides. Drawing of their labeled diagrams.
  3. Determination of the melting point of ice and the boiling point of water.
  4. Verification of the Laws of reflection of sound.
  5. Determination of the density of solid (denser than water) by using a spring balance and a measuring cylinder.
  6. Establishing the 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.
  1. Determination of the speed of a pulse propagated through a stretched string /slinky.
  2. Study of the characteristics of Spirogyra / Agaricus, Moss / Fern, Pinus (either with male or female cone), and an Angiospermic plant. Drawing and providing two identifying features of the groups they belong to.
  3. Observing the given pictures/charts/models of earthworm, cockroach, bony fish, and bird. For each organism, drawing their picture and record:
    • One specific feature of its phylum.
    • One adaptive feature with reference to its habitat.
  1. Verification of the law of conservation of mass in a chemical reaction.
  2. Study of the external features of root, stem, leaf, and flower of monocot and dicot plants.

We have covered the detailed guide on CBSE Syllabus For Class 9 Science 2020-21 PDF. Feel free to ask any questions related to CBSE Class 9 in the comment section below.

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