CBSE Class 10 Syllabus for Science 2025-26

Board Exams 2026, CBSE Board 2026

CBSE Class 10 Syllabus for Science 2025-26- The syllabus for Class 10 Science has been issued by the Central Board of Secondary Education. The syllabus for CBSE Class 10 Science provides a strong base in Biology, Physics and Chemistry, assuring that students are proactive for higher studies. Students must concentrate on and prepare for their board tests by following the CBSE 10th Science syllabus 2026. 

This involves crucial subjects like Force, Motion, Matter, Food Production and Organization in the Living World with experimental evaluations and internal optimizations dedicated to the complete score. By going through this CBSE Class 10 Science syllabus 2026, aspirants can prepare their studies, notice any problematic regions and enhance their presentation in the upcoming board exams.

CBSE Class 10 Syllabus for Science 2025-26

The CBSE syllabus for Class 10 Science has been issued and it includes an exclusive range of titles around 3 major regions like Chemistry, Biology and Physics. The syllabus for Class 10 is tailored to assist aspirants in creating a robust based in Science methods and prepare for their board exams. The complete units and marks distribution for the CBSE Class 10 syllabus for Science is detailed below.

CBSE Class 10 Science Syllabus 2025-26

Chapter Number Chapter Name Marks
Chapter 1 Chemical Substances – Nature and Behaviour 25
Chapter 2 World of Living 25
Chapter 3 Natural Phenomena 12
Chapter 4 Effects of Current 03
Chapter 5 Natural Resources 05
Internal Assessment Student Enrichment, Periodic Assessment and Portfolio 20
Total 100

10th CBSE Science syllabus 2026- Chapter Number and Chapter Name Breakdown

  • Chemical Substances – Behaviour and Nature- This chapter includes major Chemistry titles such as acids, chemical reactions, bases, salts and metals or non-metals.
  • World of Living- This chapter section concentrates on Biology that involves reproduction, life processes, heredity and the institute of living organisms.
  • Natural Phenomena- Titles in this chapter involve the study of reflection, refraction, light and phenomena such as the dispersion and rainbow.
  • Effects of Current- This chapter negotiates with magnetism and electricity, debating electric current, its impacts and the association between magnetism and electricity.
  • Natural Resources- Aspirants will learn the significance of their management, natural resources, and the ecological effects of human activity.

CBSE 10th Science syllabus 2026- Internal Assessment (20 Marks)

The internal assessment involves experimental work, periodic exams and portfolio optimizations. This unit promotes aspirants to interact in research and exercise their theoretical understanding in real-world images.

Chapter-Wise CBSE Class 10 Syllabus for Science 2026

The syllabus for Class 10 Science topics is divided into three major sections like Biology, Chemistry and Physics. Plus, such titles involve methods that assist in toughening the base for a seamless change to bigger classes. Aspirants must know all the chapters and their consistent units to improve their preparation and understanding for the Board exam.

CBSE 10th Science syllabus 2026

Chapter Number Chapter Name Sections
Chapter 1 Chemical Reactions and Equations
  • Chemical Equation.
  • Balanced Chemical Equation.
  • Implication of a Balanced Chemical Equation.
  • Types of Chemical Reactions.
Chapter 2 Acids, Bases and Salts
  • Definition in terms of the furnishing of H+ and OH- ions.
  • General Properties.
  • Examples and Uses.
  • Concept of pH Scale.
  • Properties and Uses of Sodium Hydroxide.
Chapter 3 Metals and Non-Metals
  • Properties of Metals and Non-Metals.
  • Reactivity Series.
  • Formation and Properties of Ionic Compounds.
  • Basic Metallurgical Processes.
  • Corrosion and Its Prevention.
Chapter 4 Carbon and Its Compounds
  • Covalent Bonding in Carbon Compounds.
  • Versatile Nature of Carbon.
  • Nomenclature of Carbon Compounds.
  • Differences Between Saturated and Unsaturated Hydrocarbons.
  • Ethanol and Ethanoic Acid.
Chapter 5 Life Processes
  • Living Being.
  • Basic Concept of Nutrition.
  • Respiration.
  • Transportation.
  • Excretion in Plants and Animals.
Chapter 6 Control and Coordination
  • Tropic Movements in Plants.
  • Introduction to Plant Hormones.
  • Control and Coordination in Animals.
  • Nervous System.
  • Voluntary, Involuntary and Reflex Actions.
  • Chemical Coordination.
  • Animal Hormones.
Chapter 7 How Do Organisms Reproduce?
  • Reproduction in Plants and Animals.
  • Reproductive Health.
  • Safe Sex vs HIV/AIDS.
  • Child Bearing and Women Health.
Chapter 8 Heredity and Evolution
  • Heredity
  • Mendel’s Law of Inheritance.
  • Brief Introduction to Sex Determination.
  • Basic Concept of Evolution.
Chapter 9 Light, Reflection and Refraction
  • Reflection of Light at Curved Surfaces.
  • Curved Mirror.
  • Refraction of Light.
Chapter 10 The Human Eye and The Colourful World
  • The Human Eye.
  • Defects and Vision of Their Correction.
  • Refraction of Light Through a Prism.
  • Dispersion of White Light by a Glass Prism.
  • Atmospheric Refraction.
  • Scattering of Light.
Chapter 11 Electricity
  • Potential Difference and Electric Current.
  • Ohm’s Law
  • Resistance and Resistivity.
  • Series Combination of Resistors.
  • Heating Effect of Electric Current.
  • Electric Power.
  • Interrelation Between P, V, I, R 
Chapter 12 Magnetic Effects of Electric Current
  • Magnetic Field.
  • Fleming’s Left Hand Rule.
  • Electromagnetic Induction.
  • Fleming’s Right-Hand Rule.
  • Direct Current and Alternating Current.
  • Domestic Electric Circuit.
Chapter 13 Our Environment
  • Ecosystem.
  • Environmental Problems.
  • Ozone Depletion.
  • Waste Production and Its Solution.
  • Biodegradable and Non-Biodegradable Substances.

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