CBSE Class 10 Science Syllabus 2025, Chapter, Topics – Download PDF

CBSE Class 10 Science Syllabus: Check out the Information about CBSE Class 10 Science Syllabus 2025, Chapter, Topics – Download PDF in this article. Students who are searching for  Central Board of Secondary Education (CBSE) Science Syllabus for Class 10, 2020-21 are on a right track. Class X Students may not have to worry about their Exam Syllabus. As we have provided the details about CBSE Class 10 Science Syllabus 2025 in this article (सीबीएसई कक्षा 10 विज्ञान पाठ्यक्रम). Students should check out this article to get complete details about the CBSE 10th Class Science Syllabus for 2020-21.

Download the pdf for CBSE Science Syllabus Class 10 2020 from the given link provided in this article.

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CBSE Class 10 Science Syllabus 2025

The Units were not changed but the marks of the units were changed. So, we have mentioned the marks of the changed units for the candidates. The PDF link was also mentioned below.

Download CBSE Class 10 Science Syllabus 2025

Download CBSE Class 10 Science Syllabus

CBSE Class 10 Science Syllabus 2025

CBSE Class 10 Science Syllabus 2025 – 19

Unit – I : 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, neutralization, oxidation, and reduction.

Acids, bases, and salts: Their definitions in terms of furnishing of H+ and OH- ions, General properties, examples, and uses, 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.

Periodic classification of elements: Need for classification, Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.

Unit – II: World of Living

Life processes: “living being”. The basic concept of nutrition, respiration, transport, and excretion in plants and animals.

Control and co-ordination in animals and plants: Tropic movements in plants; Introduction to plant hormones; control and co-ordination in animals: the nervous system; voluntary, involuntary and reflex action, chemical co-ordination: animal hormones.

Reproduction: Reproduction in animal and plants (asexual and sexual) reproductive health-need for 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; Basic concepts of evolution.

Unit – III: Natural Phenomenon

Reflection of light at curved surfaces, Images formed by spherical mirrors, 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 a spherical lens, Image formed by spherical lenses, Lens formula (Derivation not required), Magnification. Power of a lens.

The functioning of a lens in the 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.

Unit – IV: 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, the parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Inter relation 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. Electromagnetic induction. The induced potential difference, Induced current. Fleming’s Right Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Unit – V: 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.

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 wildlife; Coal and Petroleum conservation. Examples of people’s participation in the conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.

CBSE Class 10 Science Syllabus Practicals :

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

• a) Dilute Hydrochloric Acid
• b) Dilute NaOH solution
• c) Dilute Ethanoic Acid Solution
• d) Lemon juice
• e) Water
• f) Dilute Hydrogen Carbonate solution

Studying the properties of acids and bases (HCl & NaOH) by their reaction with:

• a) Litmus solution (Blue/Red)
• b) Zinc metal
• c) 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 quick lime

(ii) Action of heat on ferrous sulpate crystals

(iii) Iron nails kept in copper sulphate solution

(iv) Reaction between sodium sulphate and barium chloride solutions

OR

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

• ZnSO₄ (aq)
• FeSO₄ (aq)
• CuSO₄ (aq)
• Al₂(SO4)₃ (aq)

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

4. 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 me.
5. Determination of the equivalent resistance of two resistors when connected in series and parallel.
6. Preparing a temporary mount of a leaf peel to show stomata.
7. Experimentally show that carbon dioxide is given out during respiration.
8. 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

9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.
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, angle of emergence and interpret the result.
12. Studying

(a) binary fission in Amoeba, and

(b) budding in yeast with the help of prepared slides.

13. Tracing the path of the rays of light through a glass prism.
14. Finding the image distance for varying object distances in the case of a convex lens and drawing corresponding ray diagrams to show the nature of the image formed.
15. Identification of the different parts of an embryo of a dicot seed (Pea, gram, or red kidney bean).

PRESCRIBED BOOKS

• Science – Textbook for Class IX – NCERT Publication
• Assessment of Practical Skills in Science – Class IX – CBSE Publication
• Science – Textbook for Class X – NCERT Publication
• Exemplar Problems Class X – NCERT Publication
• Laboratory Manual – Science – Class IX, NCERT Publication
• Assessment of Practical Skills in Science – Class X – CBSE Publication
• laboratory manual -Science-Class X, NCERT Publication
• Exemplar Problems Class IX – NCERT Publication

Note: उत्तर प्रदेश के नए शैक्षणिक सत्र 2019 – 19 के अनुसार 10वीं के लिए नई एन सी ई आर टी की  गणित और विज्ञान की किताबें चलेंगी।

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The curriculum for March 2020 exams is designed by CBSE, New Delhi as per NCERT textbooks for the session 2020-21. To score good marks, candidates may get the online PDF of the latest CBSE Class 10 Exam Syllabus for Science Subject through visiting the underneath section. Just check out this article and start the preparation quickly. Download the PDF of CBSE Class 10 Science Syllabus 2025 from this article. The syllabus for CBSE class 10 Science is published by cbse.nic.in Central Board of Secondary Education, Head Office in New Delhi.