CBSE ExamCBSE SyllabusCBSE Class 10 Science Syllabus

CBSE Class 10 Science Syllabus

Preparing for the CBSE Class 10 Science board exam can seem daunting, but with the right guidance and understanding of the syllabus, students can approach it confidently. In this blog, we’ll delve into the CBSE Class 10 Science syllabus for the 2024 board exam, covering the subject-wise topics and essential chapters in Physics, Chemistry, and Biology. Let’s explore each section in detail to help you prepare effectively.

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    CBSE Class 10 Science Syllabus

    Also Check: CBSE Class 10 English Syllabus

    CBSE Class 10 Science Syllabus

    The CBSE Class 10 Science syllabus outlines the topics and concepts that students are required to study for their Science subject in the Class 10 board examinations conducted by the Central Board of Secondary Education (CBSE). It covers various branches of science, including Physics, Chemistry, and Biology, providing students with a comprehensive understanding of fundamental scientific principles and their applications. The syllabus is designed to promote conceptual understanding, practical skills, and critical thinking among students, preparing them for higher studies and real-world challenges.

    The CBSE Board has released the Class 10 Science Syllabus and restored the original year-end exam. Below is the chapter-wise Science syllabus for Class 10 2023-24:

    Units Unit Names Sections
    I Chemical Substances – Nature and Behavior Chemical Reactions
    Acids, Bases and Salts
    Metals and Non-metals
    Carbon Compounds
    II World of Living Life Processes
    Control and Co-ordination in Animals and Plants
    Heredity and Evolution
    III Natural Phenomena Reflection of Light by Curved Surfaces
    Refraction of Light by Spherical Lens
    Refraction of Light Through a Prism
    IV Effects of Current Electric Current, Potential Difference, and Electric Current
    Magnetic Effects of Current
    V Natural Resources Our Environment

    Also Check: Time Management for Class 10 Students

    CBSE Class 10 Science Syllabus With Marking Scheme

    The CBSE Class 10 Science Syllabus for the academic year 2023-24 consists of five units, with units 1 and 2 carrying the greatest weightage compared to the others. Here is a table of the units and their weightage:

    Units Topics 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
    Total 80
    Internal Assessment 20
    Grand Total 100

    Class 10 CBSE Science Syllabus for Practical

    The experiment list is a list of experiments and activities that can be used to create new science projects. As a result, students must read this Practical CBSE Syllabus for Class 10 Science.

    Unit I

    1. A. Determine the pH of the following samples using pH paper/universal indicator.
    • Diluted Hydrochloric Acid
    • diluted NaOH solution
    • Ethanoic acid solution,
    • Diluted Lemon juice
    • Diluted Hydrogen Carbonate solution
    • Water
    1. Investigating the properties of acids and bases (HCl and NaOH) through their interactions with:
    • Litmus solution (Blue/Red)
    • Zinc metal
    • Solid sodium carbonate
    1. Performing and observing the following reactions and classifying them into
    2. Combination reaction
      B. Decomposition reaction
      C. Displacement reaction
      D. Double displacement reaction
    3. i) Action of water on quicklime
      ii) Action of heat on ferrous sulfate crystals
      iii) Iron nails kept in copper sulfate solution
      iv) Reaction between sodium sulfate and barium chloride solutions
    4. A. 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)
    1. Arranging Zn, Fe, Cu, and Al (metals) in decreasing order of reactivity based on the above result.
    2. Study of the following properties of acetic acid (ethanoic acid)
    3. i) Odor
      ii) solubility in water
      iii) effect on litmus
      iv) reaction with Sodium Hydrogen Carbonate
    4. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.

    Unit II

    1. Preparing a temporary mount of a leaf peel to show stomata.
    2. Experimentally show that carbon dioxide is given out during respiration.
    3. Studying (a) binary fission in Amoeba and (b) budding in yeast and Hydra with the help of prepared slides.
    4. Identification of the different parts of an embryo of a dicot seed (Peas, gram, or red kidney bean).

    Unit III

    1. Determination of the focal length of:
      i) Concave mirror
      ii) Convex lens
      by obtaining the image of a distant object.
    2. Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, refraction, and emergence angle and interpret the result.
    3. Tracing the path of the light rays through a glass prism.

    Unit IV

    1. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determining its resistance. Also, plot a graph between V and I.
    2. Determination of the equivalent resistance of two resistors when connected in series and parallel

    CBSE Class 10 Science Syllabus Subject-wise

    The CBSE Class 10 syllabus comprises Physics, Chemistry and Biology subjects. Here is the subject-wise syllabus of CBSE Class 10 Science.

    CBSE Class 10 Science syllabus for Physics

    The CBSE Class 10 Science syllabus for Physics covers several essential topics aimed at providing students with a foundational understanding of various physical phenomena. Here’s a breakdown of the syllabus for Physics:

    1. Electric Current and its Effects:
      • Introduction to electric current: Basic concepts of electric current, electric circuit, electric potential, and potential difference.
      • Conductors and insulators: Properties of materials concerning their ability to conduct or insulate electricity.
      • Ohm’s law and its applications: Relationship between voltage, current, and resistance in an electric circuit, and its practical applications.
      • Electric power and its calculation: Understanding the concept of electrical power and its calculation using the formula P = VI.
      • Heating effect of electric current: Effects of electric current on wires and resistors leading to heating, and its applications in devices like electric heaters and irons.
    2. Magnetic Effects of Electric Current:
      • Magnetic field and field lines: Understanding the magnetic field produced by electric current and its properties.
      • Electromagnetic induction: Phenomenon of electromagnetic induction and its applications in devices like generators and transformers.
      • Fleming’s left-hand rule and Fleming’s right-hand rule: Rules to determine the direction of force or induced current in a magnetic field.
      • Electric generator and its working principle: Understanding the working principle of an electric generator to convert mechanical energy into electrical energy.
      • Domestic electric circuits: Understanding the components and wiring of domestic electric circuits, including switches, fuses, and earthing.
    3. Source of Energy:
      • Different sources of energy: Overview of various sources of energy, including conventional and non-conventional sources.
      • Conventional and non-conventional sources: Understanding the differences between conventional sources like fossil fuels and non-conventional sources like solar and wind energy.
      • Renewable and non-renewable sources: Classification of energy sources based on their renewability and sustainability.
      • Environmental consequences of energy usage: Impact of energy production and consumption on the environment, including pollution and climate change.
    4. Reflection and Refraction of Light:
      • Laws of reflection: Understanding the laws governing the reflection of light from smooth and rough surfaces.
      • Reflection of light by curved surfaces: Understanding the formation of images by spherical mirrors and their characteristics.
      • Refraction of light and its causes: Phenomenon of refraction and its causes when light passes from one medium to another.
      • Refraction through a prism and its applications: Deviation of light through a prism and its applications in dispersion of light.
      • Lenses and their types: Understanding the types of lenses, their properties, and their applications in optical devices like cameras and microscopes.
    5. Human Eye and Colorful World:
      • Structure and functioning of the human eye: Anatomy of the human eye and its role in vision.
      • Defects of vision and their corrections: Common vision problems like myopia and hyperopia, and their correction using lenses.
      • Dispersion of light and formation of a rainbow: Phenomenon of dispersion of light and its role in the formation of a rainbow.
      • Atmospheric refraction and its effects: Refraction of light in the Earth’s atmosphere and its effects on celestial objects like stars and the Sun.

    CBSE Class 10 Science syllabus for Chemistry

    The CBSE Class 10 Science syllabus for Chemistry covers several essential topics, including:

    1. Acids, Bases, and Salts:
      • Introduction to acids, bases, and salts.
      • Properties and uses of acids and bases.
      • pH scale and its significance in measuring acidity and alkalinity.
      • Types of salts and their preparation methods.
      • Neutralization reactions and their importance in daily life.
    2. Metals and Non-metals:
      • Properties and characteristics of metals and non-metals.
      • Reactivity series of metals and their reactions.
      • Extraction of metals from their ores.
      • Corrosion of metals and methods to prevent it.
      • Uses of metals and non-metals in various industries and everyday life.
    3. Carbon Compounds:
      • Introduction to carbon compounds and organic chemistry.
      • Classification of carbon compounds based on their structure and properties.
      • Functional groups and their role in determining the properties of organic compounds.
      • Nomenclature and isomerism in carbon compounds.
      • Chemical properties and reactions of carbon compounds.
    4. Periodic Classification of Elements:
      • Historical development of the periodic table.
      • Modern periodic table and its significance.
      • Periodic trends in the properties of elements, such as atomic size, ionization energy, and electronegativity.
      • Periodicity in chemical and physical properties of elements.
      • Classification of elements into groups and periods based on their properties.
    5. Chemical Reactions and Equations:
      • Types of chemical reactions, including combination, decomposition, displacement, and double displacement reactions.
      • Balancing chemical equations to maintain the law of conservation of mass.
      • Stoichiometry and its applications in predicting the quantities of reactants and products in chemical reactions.
      • Corrosion as a chemical reaction and methods to prevent it.
      • Writing and interpreting chemical equations to represent various chemical processes.

    CBSE Class 10 Science syllabus for Biology

    The CBSE Class 10 Science syllabus for Biology covers a range of fascinating topics that delve into the intricate workings of living organisms and their interactions with the environment. Here’s a brief overview of each section:

    1. Life Processes:
      • This section explores the various processes essential for sustaining life, including nutrition, respiration, transportation, and excretion in organisms. Students learn about the mechanisms through which living organisms obtain energy, exchange gases, and eliminate waste products to maintain homeostasis.
    2. Control and Coordination:
      • Control and Coordination delves into the nervous and endocrine systems, which regulate and coordinate the activities of different body parts. Students understand the structure and function of neurons, hormones, and sensory organs, along with reflex actions and chemical coordination mechanisms in plants and animals.
    3. Reproduction:
      • Reproduction elucidates the different modes of reproduction in organisms, including sexual and asexual reproduction. Students learn about the reproductive organs in humans, the process of fertilization, embryonic development, and the menstrual cycle. Additionally, this section covers aspects of reproductive health and contraception.
    4. Heredity and Evolution:
      • Heredity and Evolution delve into the principles of inheritance and the mechanisms driving evolutionary change. Students explore Mendel’s laws of inheritance, chromosomal theory, genetic variations, and the process of speciation. They also learn about the evidences and theories of evolution, including natural selection and adaptation.
    5. Our Environment:
      • Our Environment focuses on the ecosystem and the interactions between organisms and their surroundings. Students study the components of an ecosystem, food chains, food webs, ecological pyramids, and the impact of human activities on the environment. This section also emphasizes the importance of conservation and sustainable development.

    CBSE Class 10 Science Syllabus Deleted Syllabus

    This table summarizes the specific sections of each chapter removed from the CBSE Class 10 Science syllabus. Students must be aware of these changes and concentrate their studies on the remaining topics on the updated syllabus.

    Chapter Deleted Syllabus
    Periodic Classification of Elements Whole Chapter Deleted
    Heredity and Evolution Basic concepts of evolution, evolution, and classification, evolution should not be equated with progress
    Human Eye and the Colorful World Application of scattering to explain the color change of the Sun at sunrise and sunset
    Magnetic Effects of Current Electric motor, electromagnetic induction, induced potential difference, induced current, Fleming’s Right Hand Rule, electric generator
    Sources of Energy Whole Chapter Deleted
    Management of Natural Resources Whole Chapter Deleted

    CBSE Class 10 Science Syllabus Books

    The following are a few of the important books recommended by the CBSE board for CBSE Class 10 Science. Students should read these books to gain a better and more complete understanding.

    • 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
    • Laboratory Manual-Science-Class X NCERT Publication
    • Exemplar Problems Class X – NCERT Publication

    CBSE Class 10 Science Syllabus Preparation Tips

    To ace their board exams, students should follow the preparation tips listed below:

    • Time management is the most important task that any student must complete in order to achieve the highest possible grade.
    • Science, like mathematics, requires consistent practice to master the skills and concepts. Practice with textbook examples, previous years’ question papers, and sample question papers.
    • Science is all about theories, concepts, and formulae, and in order to grasp the subject and perform well in exams, one must first understand the underlying principles and concepts.
    • Read, comprehend, and then derive formulas and solve problems based on them on your own. The student will not have to memorize every formula if they understand what it means, what it is used for, and how it is obtained.

    CBSE Class 10 Science Syllabus FAQs

    Is CBSE released syllabus for 2024?

    Yes, the Central Board of Secondary Education released the CBSE Class 10 syllabus 2023-24 on the official website -

    What is the deleted portion of science class 10 2023-24?

    The revised syllabus for Class 10 Science in the academic year 2023-24 has deleted entire chapters covering topics such as sustainable management of natural resources, periodic classification of elements, and sources of energy. Additionally, Chapter 9 of the syllabus has undergone significant revision, with the title now replaced by Heredity.

    What is the pattern of CBSE exam for 2024 class 10?

    The pattern of CBSE (Central Board of Secondary Education) exams for Class 10 in 2024 typically includes multiple-choice questions (MCQs), short answer questions, and long answer questions covering various subjects as per the prescribed syllabus.

    What is the weightage for class 10 science 2024?

    The CBSE Class 10 Exam 2024 will have a total of 100 marks, where the theory paper is for 80 marks and internal assessments are for 20 marks.

    Is CBSE 2024 datesheet released?

    The CBSE (Central Board of Secondary Education) datesheet for the year 2024 has been released on their the official website.

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