CBSE Syllabus

CBSE Class 10 Syllabus For Science,Detailed Syllabus of Physics, Chemistry and Biology for class 10 NCERT

CBSE Class 10 Syllabus For Science  

Detailed Syllabus With Unit-wise Marks Distribution

CBSE Class 10 Syllabus For Science: Students who are preparing for the CBSE Class 10 board examination must be aware of CBSE Class 10 Syllabus.

Student must have complete and detailed knowledge of the syllabus will ensure students cover entire syllabus without skipping any chapter or concepts.

Science is one of the important subject in class 10 and it plays an crucial role in choosing the career stream in Class higher secondary level. So students who want to shine in the stream of Science must score high in the Class 10 Science. For that having the detailed knowledge of the CBSE Class 10 Syllabus for Science is a must.  Read on to find out the detailed CBSE Class 10 Science Syllabus.

CBSE Class 10 Syllabus For Science

Before getting into the detailed CBSE Class 10 Syllabus for Science let us see the units included in the syllabus along with the marks distribution:

Unit No

Unit Name



Chemical Substance – Nature and Behaviour



World of Living



Natural Phenomena



Effects of Current



Natural Resources


Total Marks



The CBSE board examination will be of 80 Marks and rest 20 Marks are for Internal Assessment. Let us now look at the chapters and concepts under each unit of CBSE Class 10 Syllabus for Science.

CBSE Class 10 Syllabus For Science: Chemical Substance – Nature And Behaviour

CBSE Class  10 Syllabus For Science : Chemical Substance – 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, neutralization,Oxidation and reduction.

Acids, Bases and Salts

Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life;

Preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Metals and Non-Metals

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), 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.

Periodic Classification of Elements

Need for classification, Early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, and Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.

CBSE Class 10 Syllabus For Science | World Of Living

 CBSE Class 10 Syllabus For Science | World Of Living

Life Processes

‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.

Control and Co-ordination in animals & Plants

Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.


Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning. Safe sex (vs) HIV/AIDS. Child bearing and women’s health.

Heredity and Evolution

Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution.

CBSE Class 10 Syllabus For Science | Natural Phenomena

 CBSE Class 10 Syllabus For Science : Natural Phenomena

 Natural Phenomena

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.

Refraction; Laws of refraction, refractive index.

Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens.

Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.

Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.

CBSE Class 10 Syllabus For Science | Effects Of Current

CBSE Class 10 Syllabus For Science : Effects Of Current

Effects of Current

Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. 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 current carrying conductor, Fleming’s Left Hand Rule, Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, Direct current. Alternating current : frequency of AC. Advantage of AC over DC. Domestic electric circuits.

CBSE Class 10 Syllabus For Science | Natural Resources

CBSE Class 10 Syllabus For Science :  Natural Resources

Sources of Energy

Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.

Our Environment

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

Management of Natural Resources

Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.

CBSE Class 10 Syllabus For Science | Practicals

CBSE has given guidelines on how to divide the internal assessment marks that carries the remaining 20 marks. Generally the Internal Assessment marks are divided in to 3 sections, they are as follows :

  1. 5 Marks: For Assignment submission.
  2. 10 Marks: Periodic Test, this periodic test will be conducted three times in a academic year.
  3. 5 Marks: Practicals

CBSE Class 10 Syllabus For Science | List Of Experiments For Practicals

Practicals should be conducted along with concepts taught in theory classes.CBSE Class 10 Syllabus for Science Practicals

Experiment No

Experiment Name


A. Finding the pH of the following samples by using pH paper/universal indicator:

1.Dilute Hydrochloric Acid

2.Dilute NaOH solution

3.Dilute Ethanoic Acid solution

4.Lemon juice


6.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


Performing and observing the following reactions and classifying them into:

1.Combination reaction

2.Decomposition reaction

3.Displacement reaction

4.Double displacement reaction

       a. Action of water on quick lime

       b. Action of heat on ferrous sulphate crystals

       c. Iron nails kept in copper sulphate solution

       d. Reaction between sodium sulphate and barium chloride solutions


Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:

1.ZnSO4 (aq)

2.FeSO4 (aq)

3.CuSO4 (aq)

4.Al2 (SO4)3 (aq)

Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.


Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I.


Determination of the equivalent resistance of two resistors when connected in series and parallel.


Preparing a temporary mount of a leaf peel to show stomata.


Experimentally show that carbon dioxide is given out during respiration.


Study of the following properties of acetic acid (ethanoic acid):


2.solubility in water

3.effect on litmus

4.reaction with Sodium Hydrogen Carbonate


Study of the comparative cleaning capacity of a sample of soap in soft and hard water.


Determination of the focal length of:

1.Concave mirror

2.Convex lens

by obtaining the image of a distant object.


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, angle of emergence and interpret the result.


Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.


Tracing the path of the rays of light through a glass prism.


Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of image formed.


Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

CBSE Class 10 Syllabus For Science | Best Reference Books For Science

Listed below are prescribed books for Class 10 Science:


Science – Textbook 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