CBSE Class 10 Science Syllabus 2023-24

Latest Update on CBSE 2023-24 Syllabus for Science

Syllabus for the 2023-24 academic year has been released and we were prompt about prediction of the changes. Below, we have provided you with a simple analysis of Class 10 Science Syllabus below, along with:

  • PDF download -> 2023-24 (latest) and past year syllabus
  • Competency Focus -> what is new
  • Detailed analysis -> deleted and added topics/ chapters
  • Lab exercises -> List of all 2023-24 practicals

2023-24 Latest Syllabus

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2022-23 Reduced Syllabus

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(for reference purposes only)

S. No. Bloom Typologies (as per NEP 2023) Total %
1 Easy difficulty level:
Remembering | Understanding
2 Medium difficulty level:
3 Hard difficulty level:
Analysis | Evaluate | Create
TOTAL 100%

NOTE: There are no topics deleted or added in Class 10 Science 2023-24 syllabus.

Units Unit Name Marks
I Chemical Substances - Nature and Behaviour 25
II World of Living 25
III Natural Phenomena 12
IV Effects of Current 13
V Natural Resources 05
Periodic Assessment (10) + Student Enrichment (Practical Work) (05) + Portfolio (05)

Class 10 Science 2023-24 Practical List

Practical should be conducted alongside the concepts taught in theory classes.

  1. A. (Unit I) Finding the pH of the following samples by using pH paper/universal indicator:
  • Dilute Hydrochloric Acid
  • Dilute NaOH solution
  • Dilute Ethanoic Acid solution
  • Lemon juice
  • Water
  • Dilute Hydrogen Carbonate solution

B. (Unit I Chapter 2) Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:

  • Litmus solution (Blue/Red)
  • Zinc metal
  • Solid sodium carbonate
  1. (Unit I Chapter 1) Performing and observing the following reactions and classifying them into:

A. Combination reaction

B. Decomposition reaction

C. Displacement reaction

D. Double displacement reaction

  • Action of water on quicklime
  • Action of heat on ferrous sulphate crystals
  • Iron nails kept in copper sulphate solution
  • Reaction between sodium sulphate and barium chloride solutions
  1. A. (Unit I Chapter 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.

  1. (Unit IV Chapter 12) Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determining its resistance. Also plotting a graph between V and I.
  2. (Unit IV) Determination of the equivalent resistance of two resistors when connected in series and parallel.
  3. (Unit II) Preparing a temporary mount of a leaf peel to show stomata.
  4. (Unit II Chapter 6) Experimentally show that carbon dioxide is given out during respiration.
  5. (Unit I) Study of the following properties of acetic acid (ethanoic acid):
  • Odour
  • Solubility in water
  • Effect on litmus
  • Reaction with Sodium Hydrogen Carbonate
  1. (Unit I) Study of the comparative cleaning capacity of a sample of soap in soft and hard water.
  2. (Unit III Chapter 10) Determination of the focal length of:
  • Concave mirror; and
  • Convex lens; by obtaining the image of a distant object.
  1. (Unit III Chapter 10) 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.
  2. (Unit II Chapter 8) Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.
  3. (Unit III Chapter 11) Tracing the path of the rays of light through a glass prism.
  4. (Unit II) Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

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