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CBSE Class 10 Science Syllabus 2024-2025 | How To Prepare For Class 10 PDF Download

The CBSE Class 10 Science Exam is one the most important papers for Class 10 students. As a Class 10 student, you must have a strategy to prepare for your Science exam if you want to score high in exams. The CBSE Class 10 Science Syllabus 2025  can be of great help to understand which chapters or topics to be focused more on according to their weightage. The syllabus for Class 10 Science is discussed in detail in this document.

CBSE Class 10 Science Weightage

The weightage of different units of Class 10 Science is given below:
CBSE Class 10 Science Syllabus 2024-2025 | How To Prepare For Class 10

CBSE Class 10 Science Syllabus for  2025

 We have provided below the CBSE syllabus of Class 10 Science. This is the reduced syllabus based on which the CBSE Board Exam 2025  will be conducted. Students must go through this updated Science syllabus before they start the study of a new chapter as some of the topics and/or chapters have been removed from this new syllabus. 
CBSE Class 10 Science Syllabus 2024-2025 | How To Prepare For Class 10

Unit 1: Chemical Substances - Nature and Behaviour

  • Chemical reactions and Equations: 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 saltsTheir 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 nonmetalsProperties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
  • Carbon and its compoundsCovalent 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.

Unit 2: World of Living

  • Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport, and excretion in plants and animals.
  • Control and coordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary, and reflex action; Chemical coordination: animal hormones.
  • How do Organisms Reproduce?: 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: 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).

Unit 3: Natural Phenomena

  • Light - Reflection and Refraction by curved surfaces; Images formed by spherical mirrors, center of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.
  • RefractionLaws 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 and the Colourful World: 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 (excluding colour of the sun at sunrise and sunset).

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 Electric CurrentMagnetic 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, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Unit 5: Natural Resources

  • Our environmentEco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

CBSE Practical Syllabus for Class 10 Science

Practicals should be conducted alongside the concepts taught in theory classes. This will enable you to grasp the concepts better as questions are also asked from practicals.

  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
    (v) Water
    (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:
    A. Combination reaction
    B. Decomposition reaction
    C. Displacement reaction
    D. 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:
    i) ZnSO4(aq)
    ii) FeSO4(aq)
    iii) CuSO4(aq)
    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):
    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 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)

CBSE Class 10 Science Internal Assessment 

The internal assessment in Class 10 Maths exam will be of 20 marks. The breakdown of components of internal assessment of Class 10  Maths is given below:

Internal Assessment

Marks

Total Marks

Pen Paper Test and Multiple Assessment (5+5)

10

20 marks

Lab Practical (Lab activities to be done from the prescribed books)

5

Portfolio

5

Typology of Questions in Science Syllabus 2025

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.

Internal Assessment (20 Marks)  
(i) Periodic Assessment - 05 marks + 05 marks
(ii) Subject Enrichment (Practical Work) - 05 marks
(iii) Portfolio - 05 marks

Deleted Syllabus of Class 10 Science 2024- 2025

The deleted syllabus of Class 10 Science is mentioned below:

S.No.

Chapter

Deleted topics

1

Acids, bases and salts

Definition relating to logarithm not required

2

Periodic Classification

Whole chapter deleted

3

Heredity and Evolution

Evolution; evolution and classification and evolution

4

Reflection and Refraction

Derivation of mirror formula and lens formula

5

The human eye and the colourful world

Colour of the sun at sunrise and sunset

6

Magnetic Effects of Current

Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator,

7

Sources of Energy

Whole chapter deleted

8

Management of Natural Resources

This chapter will not be assessed in the year-end examination. It needs to be prepared only for Internal Assessment

Best Reference Books for Class 10 Science

The list of books prescribed by the Board -

  • 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

EduRev provides complete solutions to NCERT textbook for Class 10 Science as well as solutions to NCERT Exemplar. These solutions are easy to understand, reliable and made by experts with 10+ years of experience.  Apart from NCERT students can also practice questions from Lakhmir Singh and Manjit Kaur.

How to prepare for Science Class 10 Board Exam with EduRev?

EduRev Infinity Package for Class 10 includes:  

  1. Subject-wise Courses: Courses for all the compulsory subjects: Science, Mathematics, Social Science, English and Hindi. Each course offers topic-wise video lectures, detailed notes & online tests for each topic. 
  2. NCERT Solutions: EduRev provides NCERT solutions for all subjects. These solutions cover all the questions, are reliable and are explained in a step-by-step manner.
  3. Sample PapersEduRev has all the latest sample papers with the latest exam pattern. These sample papers are excellent for practising according to the latest syllabus and exam pattern.
  4. Past Year PapersEduRev offers past year papers for Class 10 for subjects EnglishScienceSocial ScienceMathematics and Hindi. The past years' papers are available of last 10 years. 
  5. RD Sharma and Lakhmir Singh and Manjit Kaur SolutionsSolutions to reference books RD Sharma and Lakhmir Singh and Manjit Kaur are available at EduRev. These books are helpful in practising different types of questions.
  6. Revision Notes for all Subjects: EduRev provides chapter notes for Class 10 students. It covers topics from various subjects such as Mathematics, Science, Social Science, English, etc. The notes are concise and well-structured, which makes it easier for students to find the information they need quickly. 
  7. Crash Course for Class 10EduRev's Crash Course for Class 10 is an online course that provides a comprehensive overview of important topics for students preparing for their Class 10 examinations. The course covers topics from Mathematics, Science, Social Science, English and Hindi. It includes video lectures and practice questions that are designed to help students understand the concepts better and apply them in their exam preparation.

Frequently Asked Questions (FAQs) on CBSE Class 10 Science Syllabus 2024-25

What are the chapters in the CBSE Class 10 Science Syllabus?

There are five units in CBSE Class 10 Science Syllabus wherein each unit has some chapters. There a total of thirteen chapters in the curriculum for 2024-25  since three chapters have been deleted. You can check the revised syllabus and the list of deleted topics in this article.

Where to find the latest and updated CBSE Class 10 Science Syllabus for 2024- 2025?

The latest CBSE Class 10 Science Syllabus Is available in the document above. There a total of thirteen chapters in the curriculum for 2024-25  since three chapters have been deleted. The deleted chapters are Periodic Classification, Sources of Energy and Management of Natural Resources.

I have to appear for the compartment in the CBSE Class 10 Science exam. Will I get admission in 11?

Yes. You are allowed to take provisional admission in class 11 if you are appearing for compartment exam. Such candidates are admitted provisionally to class 11 till they take their first chance compartmental examination. However, If they fail in the compartmental exam then their admission to class 11 will be treated as cancelled.

Which is the toughest chapter in Class 10 Science?

The toughest chapter in science will vary from student to student. Many students think that Heredity and Evolution is a tough chapter while other may think that magnetic effects of current is a tough chapter. With proper practise any tough chapter can be made easy.

The document CBSE Class 10 Science Syllabus 2024-2025 | How To Prepare For Class 10 is a part of the Class 10 Course How To Prepare For Class 10.
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FAQs on CBSE Class 10 Science Syllabus 2024-2025 - How To Prepare For Class 10

1. What is the weightage distribution for the Class 10 Science exam according to the CBSE syllabus?
Ans. The weightage distribution for the Class 10 Science exam generally includes sections such as Physics, Chemistry, and Biology, with specific marks allocated to each chapter. It is crucial to check the latest syllabus for accurate weightage as it may vary each academic year.
2. What are the key topics included in the CBSE Class 10 Science syllabus for 2024-25?
Ans. The key topics in the CBSE Class 10 Science syllabus for 2024-25 include Life Processes, Control and Coordination, How do Organisms Reproduce, Light, Electricity, Magnetic Effects of Current, Chemical Effects of Current, and some chapters on resources and environment.
3. How is the internal assessment structured for the Class 10 Science subject?
Ans. The internal assessment for Class 10 Science typically includes periodic tests, practical work, and projects. It accounts for a certain percentage of the total marks, ensuring that continuous evaluation contributes to the overall performance of the student.
4. What are some recommended reference books for preparing for the Class 10 Science exam?
Ans. Some recommended reference books for Class 10 Science include NCERT textbooks, Science textbooks by Lakhmir Singh and Manjit Kaur, and reference books from publishers like Oswaal and Arihant, which provide additional practice and understanding of the concepts.
5. How can students effectively prepare for the Class 10 Science board exam?
Ans. Students can effectively prepare for the Class 10 Science board exam by following a structured study plan, focusing on understanding concepts rather than rote memorization, practicing previous years' question papers, and taking mock tests to assess their preparation level. Using platforms like EduRev for additional resources and guidance can also be beneficial.
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