CBSE Class 10 Science Syllabus 2024-2025: The CBSE Class 10 Science Exam 2025 is scheduled for tomorrow, February 20, 2025. The questions in the exam paper will be based on the latest syllabus and the updated exam pattern. A thorough understanding of the syllabus will help students prepare strategically and focus on important topics effectively. Check the latest CBSE Class 10 Science syllabus and ensure you have covered all chapters and key concepts to perform well in the exam. The detailed syllabus along with the unit-wise marking scheme is provided below.
Also check important last minute resources below:
| CBSE Class 10 Science Sample Paper by Experts (Solved) | Top 50 MCQs for CBSE Class 10 Science Exam 2025 |
CBSE Class 10 Science Syllabus 2024-2025
Below is mentioned the unit-wise weightage for CBSE class 10 Science exam 2024-25:
CBSE Class 10 Science Unit-wise Weightage 2024-25 | ||
| S. No. | Unit | Marks |
| 1. | I. Chemical Substances-Nature and Behaviour | 25 |
| 2. | II. World of Living | 25 |
| 3. | III. Natural Phenomena | 12 |
| 4. | IV. Effects of Current | 13 |
| 5. | V. Natural Resources | 05 |
|
| Total | 80 |
Important:
CBSE Class 10 Science Deleted Syllabus 2024-2025
CBSE Class 10 Science Exam Pattern & Chapter-Wise Weightage 2025
CBSE Class 10 Science Course Content for 2024-2025
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, 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 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), difference between saturated hydro carbons 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’. 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 of plant hormones; Control and co-ordination 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. Child bearing 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, 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.
Human eye: 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 dailylife (excluding colour of the sun at sunrise and sunset).
Theme: How Things Work
Unit 4: Effects of Current
Electricity: 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, 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 Practicals
The practical syllabus outlines the list of experiments to be conducted throughout the year along with the assessment criteria. To view the list of experiments and prescribed guidelines, download the full practical syllabus below:
| CBSE Class 10 Science Practical Syllabus 2024-25 PDF |
CBSE Class 10 Science Internal Assessment 2024-25
Internal assessment for CBSE Class 10 Science for the year 2024-25 will be conducted based on the following components:
| Components | Marks |
| Periodic Assessment (5+5) | 10 |
| Subject Enrichment (Practical Work) | 05 |
| Portfolio | 05 |
| Total | 20 |
PRESCRIBED BOOKS for CBSE Class 10 Science:
The list of books prescribed by the Board includes:
- 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
To check further details regarding the question paper design and exam pattern, download CBSE Class 10 Science Syllabus 2024-25 below:
CBSE Class 10 Science Syllabus 2024-25 PDF |
Also, check below some other important resources:
NCERT Book for Class 10 Science (Latest Edition)
NCERT Solutions for Class 10 Science
NCERT Exemplar Solutions for Class 10 Science
CBSE Class 10 Science Previous Years' Question Papers
| Also Check CBSE Class 10 Science Complete Study Material for Board Exam 2025 |
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