CBSE Class 10th Science Syllabus 2022: The students can check the CBSE Class 10th Science syllabus in this article below. All the students who are going to appear in the upcoming 10th board exam must be aware of the prescribed syllabus and examination pattern. It is very important to know the syllabus details and exam pattern for preparation of the exam. Information about the syllabus will enable students to prepare study notes of the relevant chapters for preparation. Each year, the CBSE releases the syllabus of the CBSE 10th class exams on its official website.
Candidates can easily obtain the syllabus from the official website. It will be a PDF document that can be easily downloaded from the website. However, we have provided crucial information about the CBSE 10th Class Science Syllabus 2022- 2023 here in this article. Students are recommended to check every detail carefully.
Table of Contents
CBSE Class 10th Science Syllabus 2022 -23: Course Structure
The students can access here crucial information about the course structure including topics and allotted marks. The CBSE 10th Class Science Paper will be as per the following manner:
| Unit | Marks Allotted |
| Chemical Substances – Nature and Behaviour | 26 |
| World of Living | 23 |
| Natural Phenomena | 12 |
| Effects of Current | 14 |
| Natural Resources | 05 |
| Total | 80 Marks |
Internal Assessment
The other part of the CBSE 10th Class Science Syllabus is the internal assessment which will of 20 marks. The details of the same are as below:
| Particulars | Marking Scheme |
| Periodic Assessment (05 + 05 Marks) | 10 Marks |
| Subject Enrichment (Practical Work) | 05 Marks |
| Portfolio | 05 Marks |
| Total | 20 Marks |
CBSE 10th Class Science Assessment Areas (Theory)
Time Duration: 3 hours
Maximum Marks: 80 Marks
| Competencies | |
| Application of Knowledge/Concepts | 22% |
| Demonstrate Knowledge and Understanding | 46% |
| Analyze, Evaluate and produce | 32% |
CBSE Class 10 Science Syllabus: Complete Details
Here are the details of important topics and marks distribution which is essential information to be required for preparation of the exam. Check the following information carefully:
Theme: Materials
Unit I: Chemical Substances- Nature and Behavior
Periodic classification of elements: Modern periodic table, Need for classification, atomic number, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), gradation in properties, valency, metallic and non-metallic properties.
Metals and nonmetals: Reactivity series; Formation and properties of ionic compounds, Properties of metals and non-metals.
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH- ions, examples and uses, General properties, the concept of pH scale (Definition relating to logarithm not required), the importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Baking soda, Bleaching powder, Washing soda and Plaster of Paris.
Chemical reactions: Implication of a balanced chemical equation, Balanced chemical equation, Chemical equation, types of chemical reactions: Combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation, and reduction.
Carbon compounds: Covalent bonding in carbon compounds, Homologous Series, the difference between saturated hydrocarbons and unsaturated hydrocarbon, Versatile nature of carbon, Ethanol and Ethanoic acid (only properties and uses), Soaps and detergents, Chemical properties of carbon compounds (combustion, oxidation, addition, and substitution reaction).
Theme: The World of the Living
Unit II: World of Living
Life processes: ‘Living Being’. Respiration, transport, and excretion in plants and animals, Basic concept of nutrition,.
Control and co-ordination in animals and plants: Introduction of plant hormones; Tropic movements in plants; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical coordination: animal hormones.
Reproduction: Safe sex vs HIV/AIDS. Reproduction in animals and plants (asexual and sexual) reproductive health need and methods of family planning. Child bearing and women’s health.
Heredity and Evolution: Basic concepts of evolution; Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction;
Theme: Natural Phenomena
Unit III: Natural Phenomena
Reflection of light by curved surfaces; centre of curvature, Images formed by spherical mirrors, principal focus, principal axis, focal length, magnification, mirror formula (Derivation not required).
Refraction; Refractive index, Laws of refraction,.
Refraction of light by the spherical lens; Lens formula (Derivation not required); Image formed by spherical lenses; Magnification. Power of a lens.
Functioning of a lens in the human eye, applications of spherical mirrors and lenses, defects of vision and their corrections.
Refraction of light through a prism, scattering of light, dispersion of light, applications in daily life.
Theme: How Things Work
Unit IV: Effects of Current
Electric current, potential difference, and electric current. Ohm’s law; Resistivity, Resistance, Factors on which the resistance of a conductor depends. Electric power, Interrelation between P, V, I and R. 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.
Magnetic effects of current: Magnetic field, field due to a current-carrying conductor, field lines, field due to current carrying coil or solenoid; Force on the current-carrying conductor, Electric Motor, Fleming’s Left-Hand Rule, Electromagnetic induction. Induced current, Induced potential difference. Electric Generator, Fleming’s Right-Hand Rule, Domestic electric circuits, Advantage of AC over DC; Direct current. Alternating current: frequency of AC.
Theme V: Natural Resources
Unit V: Natural Resources
Sources of Energy: Renewable versus non-renewable sources of Energy, Different forms of energy, conventional and non-conventional sources of energy: Solar energy, Fossil fuels, Biogas, Water, Wind, and Tidal energy, Nuclear energy.
Our environment: Biodegradable and non-biodegradable substances, Environmental problems, Eco-system, Ozone depletion, waste production, and their solutions.
Management of natural resources: Forest and wildlife; Coal and Petroleum conservation; Conservation and judicious use of natural resources. Examples of people’s participation in the conservation of natural resources. Water harvesting. Sustainability of natural resources. Big dams: advantages and limitations; alternatives, if any.
CBSE 10th Class Science Practicals
Practical should really be conducted alongside the principles taught in theory classes, the list of experiments are as under:
1.A. locating the pH associated with the following examples by utilizing pH paper/universal indicator: Unit-I
- Dilute Hydrogen Carbonate solution
- Dilute NaOH solution
- Dilute Ethanoic Acid solution
- Dilute Hydrochloric Acid
- Water
- Lemon juice
B. Studying the properties of acids and bases (HCl & NaOH) on such basis as their reaction with: Unit-I
- Solid sodium carbonate
- Litmus solution (Blue/Red)
- Zinc metal
2. Performing and observing the following responses and classifying them into: Unit-I
- Combination reaction
- Decomposition reaction
- Displacement reaction
- Double displacement reaction
- The action of water on quicklime
- The action of heat on ferrous sulphate crystals
- Iron nails kept in copper sulphate solution
- Reaction between sodium sulphate and barium chloride solutions
3. Observing the action of Zn, Fe, Cu and Al metals in the following salt solutions: Unit-I
- ZnSO4(aq)
- FeSO4(aq)
- CuSO4(aq)
- Al2(SO4)3(aq)
Arranging Zn, Fe, Cu and Al (metals) within the decreasing pattern of reactivity in line with the above outcome.
4. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and discover its resistance. Additionally plotting a graph between V and I. Unit-IV
5. The determination regarding the equivalent resistance of two resistors when linked in series and parallel. Unit-IV
6. Preparing a temporary mount of a leaf peel to exhibit stomata. Unit-II
7. Experimentally show that carbon dioxide is given out during respiration. Unit-II
8. Study of the below-mentioned properties of acetic acid (ethanoic acid): Unit-I
- Odour
- influence on litmus
- solubility in water
- effect with Sodium Hydrogen Carbonate
9. Study of this comparative cleansing ability of a sample of detergent/soap in soft and hard water. Unit-I
10. Determination associated with the focal length of: Unit-III
- Concave mirror
- Convex lens
by getting the image of the distant item.
11. Tracing the path of the ray of light moving through a rectangular glass slab for different angle of incidence. Measure the angle of incidence, angle of emergence and interpret the end result, angle of refraction. Unit – III
12. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra by using prepared slides. Unit-II
13. Tracing the path of the rays of light via a glass prism. Unit-III
14. Finding the image distance for varying object distances in the event of a convex lens and drawing corresponding ray diagrams to display the nature of the image created. Unit-III
15. Identification of the various parts of an embryo of a dicot seed (Pea, gram or red kidney bean). Unit-II
Prescribed Books:
- Assessment of Practical Skills in Science- Course X- CBSE Publication
- Laboratory Manual-Science-Class X, NCERT Publication
- Science-Text book for class X- NCERT Publication
- Exemplar Issues Class X – NCERT Publication
CBSE 10th Class Science Syllabus 2022: Download PDF Here
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