Science Syllabus Class 10 CBSE 2022-23 Session

Today you will get the science syllabus class 10 CBSE 2023 in detail for the new session. This will provide proper guidelines.

CBSE reduced the syllabus and informed through the portal. 

They released the CBSE class 10 science deleted syllabus 2022-23 and provide the complete list of topics. 

This syllabus is based on the new pattern for the 2023 session. 

As you know that the subject of science plays a vital role in developing psychomotor, well-defined abilities in children. 

This subject augments the spirit of inquiry, aesthetic sensibility as well as creativity too. 

The CBSE class 10 science syllabus 2022-23 course structure contains these topics - Chemical Substances-Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, Natural Resources, and Internal assessment.

This 10 science syllabus will be helpful to you to know what you have to learn and what to escape for the upcoming examinations. 

You will also get decent information about the recommended books for the study. 

These are the authentic textbook and the best to prepare the answer as well as grab the advanced level knowledge of this subject. 

The chapters are bifurcated for your convenience. Divided into units. 

Start your exam preparation with this new CBSE class 10th science syllabus 2022-23.

CBSE 10th Science Syllabus 2022-23

Theme: Materials 

Unit-1: Chemical Substances - Nature and Behaviour

  • Chemical reactions:- Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation, and reduction.
  • Acids, bases and salts:- Their definitions in terms of furnishing of H+ and OH- ions, General properties, examples, and uses, neutralization, the concept of pH scale (Definition relating to logarithm not required), the importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
  • Metals and nonmetals:- Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
  • Carbon compounds:- Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), the difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Theme: The World of the Living

Unit-2: World of Living

  • Life processes: ‘Living Being’. The basic concept of nutrition, respiration, transport, and excretion in plants and animals.
  • Control and coordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
  • Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health - need and methods of family planning. Safe sex vs HIV/AIDS. Childbearing and women’s health. Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded - evolution; evolution and classification and evolution should not be equated with progress).

Theme: Natural Phenomena

Unit-3: Natural Phenomena

  • Reflection of light by curved surfaces; Images formed by spherical mirrors, the center of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification. Refraction; Laws of refraction, refractive index.
  • Refraction of light by the spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens.
  • Functioning of a lens in the human eye, defects of vision and their corrections, and applications of spherical mirrors and lenses.
  • Refraction of light through a prism, dispersion of light, scattering of light, and applications in daily life (excluding the color of the sun at sunrise and sunset).

Theme: How Things Work

Unit-4: Effects of Current

  • Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. The series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I, and R.
  • Magnetic effects of current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on the current carrying conductor, Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources

Unit-5: Natural Resources

  • Our environment: Eco-system, Environmental problems, Ozone depletion, waste production, and their solutions. Biodegradable and non-biodegradable substances.

CBSE Class 10 Science Practical Syllabus 2022-23


Practicals should be conducted alongside the concepts taught in theory classes.

List Of Experiments


  • 1. (A)Finding the pH of the following samples by using pH paper/universal indicator:- (i) Dilute Hydrochloric Acid (ii) Dilute NaOH solution (iii) Dilute Ethanoic Acid solution (iv) Lemon juice (v) Water (vi) Dilute Hydrogen Carbonate solution. (B) Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with- (1) Litmus solution (Blue/Red) (2) Zinc metal (3) Solid sodium carbonate
  • 2. Performing and observing the following reactions and classifying them into- (A) Combination reaction (B) Decomposition reaction (C) Displacement reaction (D) Double displacement reaction - (i) Action of water on quicklime, (ii) Action of heat on ferrous sulfate crystals (iii) Iron nails kept in copper sulfate solution, (iv) Reaction between sodium sulfate and barium chloride solutions
  • 3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:- (i) ZnSO4(aq) (ii) FeSO4(aq) (iii) CuSO4(aq) (iv) Al2 (SO4)3(aq). (Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.)
  • 4. Study of the following properties of acetic acid (ethanoic acid):- (i) Odour (ii) solubility in water (iii) effect on litmus (iv) reaction with Sodium Hydrogen Carbonate
  • 5. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.


  • 6. Preparing a temporary mount of a leaf peel to show stomata. 
  • 7. Experimentally show that carbon dioxide is given out during respiration. 
  • 8. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides. 
  • 9. Identification of the different parts of an embryo of a dicot seed (Pea, gram, or red kidney bean). 


  • 10. Determination of the focal length of:- (i) Concave mirror (ii) Convex lens (By obtaining the image of a distant object).
  • 11. Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, and angle of emergence and interpret the result. 
  • 12. Tracing the path of the rays of light through a glass prism. 


  • 13. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determining its resistance. Also plotting a graph between V and I.
  • 14. Determination of the equivalent resistance of two resistors when connected in series and parallel. 

NCERT CBSE Class 10 Science Textbook

Recommended Books For You

  • Science-Text book for class X- NCERT Publication
  • Assessment of Practical Skills in Science- Class X- CBSE Publication
  • Laboratory Manual-Science-Class X, NCERT Publication
  • Exemplar Problems Class X – NCERT Publication

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