CBSE Class 10 Science Syllabus 2023
The Central Board of Secondary Education has recently released the CBSE Board Syllabus 2023 for Class 10 and 12 on its official website. The CBSE Class 10 Science Syllabus 2023 will help students to focus on topics which are relevant to their final examination. In 2023, CBSE will conduct board exams annually. Science helps students to understand the practical existence of everything. Many students find science an interesting subject. We have covered the detailed CBSE Class 10 Science Syllabus 2023 in this article. The students appearing in CBSE Class 10 Exam 2023 must go through the whole CBSE Class 10 Science Syllabus 2023 and start their preparation.
Class 10 CBSE Science Syllabus 2023
The units of CBSE Class 10 Science Syllabus 2023 are listed below. The CBSE Class 10 Science Syllabus 2023 consists of five units namely Chemical Substances-Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, and Natural Resources. Check the unit-wise marks distribution given below in the table:
|CBSE Class 10 Science Syllabus 2023|
|Unit 1: Chemical Substances-Nature and Behaviour||25|
|Unit 2: World of Living||25|
|Unit 3: Natural Phenomena||12|
|Unit 4: Effects of Current||13|
|Unit 5: Natural Resources||05|
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- CBSE Class 9 Science Syllabus 2022-23
CBSE Board Class 10 Science Syllabus 2023: Unit-Wise
CBSE Class 10 Science Syllabus 2023: Unit 1
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.
CBSE Class 10 Science Syllabus 2023: Unit 2
Theme: The World of the Living
Unit II: 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).
CBSE Class 10 Science Syllabus 2023: Unit 3
Theme: Natural Phenomena
Unit III: 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 dailylife (excluding colour of the sun at sunrise and sunset).
CBSE Class 10 Science Syllabus 2023: Unit 4
Theme: How Things Work
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, 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 carryingconductor, 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.
CBSE Class 10 Science Syllabus 2023: Unit 5
Theme: Natural Resources
Unit V: Natural Resources
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
Note for the Teachers:
1. The chapter Management of Natural Resources (NCERT Chapter 16) will not be assessed in the year-end examination. However, learners may be assigned to read this chapter and encouraged to prepare a brief write up to any concept of this chapter in their Portfolio. This may be for Internal Assessment and credit may be given to Periodic Assessment/Portfolio).
2. The NCERT textbooks present information inboxes across the book. These help students to get conceptual clarity. However, the information in these boxes would not be assessed in the year-end examination
CBSE Class 10 Science Syllabus For Practical Exam 2023
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
(vi) Dilute Hydrogen Carbonate solution
B. Studying the properties of acids and bases (HCl & NaOH) on the basis of 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:
- Combination reaction
- Decomposition reaction
- Displacement reaction
- Double displacement reaction
(i) Action of water on quicklime
(ii) Action of heat on ferrous sulphate crystals
(iii) Iron nails kept in copper sulphate solution
(iv) Reaction between sodium sulphate and barium chloride solutions
3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
iv) 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 I.
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):
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 and Hydra with the help of prepared slides.
13. Tracing the path of the rays of light through a glass prism.
14. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).
Reference Books for CBSE Class 10 Science Syllabus 2023
- 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
CBSE Class 10 Science Syllabus 2023: Question Paper Design
Below we have given the question paper design of the CBSE Class 10 Science Paper. Have a look at the table below:
|Demonstrate Knowledge and Understanding||46 %|
|Application of Knowledge/Concepts||22 %|
|Formulate, Analyze, Evaluate and Create||32 %|
- Typology of Questions: VSA including objective type questions, Assertion – Reasoning type questions; SA; LA; Source-based/ Case-based/ Passage-based/ Integrated assessment questions.
- An internal choice of approximately 33% would be provided.
CBSE Class 10 Science Syllabus 2023
Internal Assessment (20 Marks)
- Periodic Assessment – 05 marks + 05 marks
- Subject Enrichment (Practical Work) – 05 marks
- Portfolio – 05 marks
FAQs on CBSE Class 10 Science Syllabus 2023