Class 10 Science Revision Notes 

Do you want to score better marks in Class 10 Science board exam? Do you want to memorise important concepts of Class 10 Science thoroughly? Do you need help in quickly revising Science chapters before the exam? You can achieve it all using Class 10 Science Revision Notes. 

The askIITians Science teachers have created quick and easy revision notes for all the NCERT Class 10 Science chapters. These notes include point-wise information for different concepts introduced in a chapter along with important tables and diagrams for your better understanding of the concepts. You can use the CBSE Science revision notes to revise the chapters, resolve your doubts, solidify your conceptual understanding, and provide clear explanations for every topic. 

You can download chapter-wise revision notes for Class 10 Science in pdf format for free from our website. This way you can study them at your own pace and can prepare well for your Class 10 Science board exam. 

CBSE Class 10 Science Revision Notes PDF Free Download | Chapter 1 to 16  

Class 10 Science NCERT book includes 5 units namely, Unit 1: Matter-Its Nature and Behaviour, Unit 2: Organization in the Living World, Unit 3: Motion, Force and Work, Unit 4: Our Environment and Unit 5: Food, Food Production. There are 16 chapters in Class 10 Science based on topics like acids, bases and salts, periodic classification of elements, reproduction in organisms, biological inheritance, refraction of light, sources of energy, electricity, magnetic effects to electric current and more. 

Download Free Revision Notes for Class 10 Science Chapter 1 – Chemical Reactions and Equations

Revise topics like chemical reactions, types of chemical reactions, chemical equations, symbols of elements and their valencies, balancing chemical reactions, types of chemical reactions and other related concepts easily with our Class 10 Revision Notes for Science Chapter 1 pdf. 

Download Free Revision Notes for Class 10 Science Chapter 2 – Acids, Bases and Salts

The main topics of the Acids, Bases and Salts chapter include classification of matter, cognisable and non-ionisable compounds, acids, bases, salts, physical tests to identify acids and bases, reactions of acids and bases, neutralisation reactions, the difference between base and alkali, the strength of acids and bases, and pH. Download Class 10 Science Chapter 2 Notes pdf for free from our website and revise all these concepts in just 20 minutes! 

Download Free Revision Notes for Class 10 Science Chapter 3 – Metals and Non-metals

This is a chapter about the various properties of metals and non-metals. It includes topics like corrosion, prevention of corrosion, alloys, physical properties of metals and non-metals, exceptions in physical properties, chemical properties of metals and non-metals, displacement reaction, and extraction of metals and non-metals. Now you can download Class 10 Science Chapter 3 Notes pdf for free and revise all the concepts of Metals and Non-Metals before exams. 

Download Free Revision Notes for Class 10 Science Chapter 4 – Carbon and Its Compounds

This is one of the most important chapters of Class 10 Science. The main topics of this chapter include soaps and detergents, ionic bonds, covalent bonds, Lewis dot structure, single, double and triple bonds, allotropes of carbon, diamond, graphite, chains, branches and rings for saturated and unsaturated hydrocarbons. Other topics include homologous series, combustion reaction, oxidation, flame reactions, addition reactions, substitution reactions, ethanol, and alcohols. We have included all the topics in our Class 10 Science Chapter 4 notes pdf. 

Download Free Revision Notes for Class 10 Science Chapter 5 – Periodic Classification of Elements

Periodic Table is one of the most important topics of Class 10 Science. This chapter helps you understand the various elements found in nature and their properties. The main topics included in Class 10 Science Chapter 5 notes pdf include Dobereiner’s triads, Newlands’ law of octaves, Mendeleev’s periodic table and law, achievements and limitations of Mendeleev’s periodic table. Study the different groups in the modern periodic table, trends in the modern periodic table and more using our Science revision notes. 

Download Free Revision Notes for Class 10 Science Chapter 6 – Life Processes

This chapter includes topics like life processes, nutrition, autotrophic nutrition, photosynthesis, stomata, saprophytic nutrition, parasitic nutrition, nutrition in amoeba, nutrition in humans, the human digestive system, digestive system in other animals, respiration in humans, respiration in lower animals, respiration in plants, circulatory system in humans, transportation in plants, and excretion in humans and plants. All these topics are stated clearly in our Class 10 Science Chapter 6 Notes pdf with labelled diagrams to help you revise the chapter quickly before exams. 

Download Free Revision Notes for Class 10 Science Chapter 7 – Control and Coordination

This chapter helps you understand how the body controls its movement and coordinates its actions with other parts of the body and the environment. Our Science revision notes will help you understand the nervous system, reflex actions, plant hormones and movements, growth-related movement in plants, geotropism, phototropism, hydrotropism, chemotropism, the endocrine system, and the endocrine glands. 

Download Free Revision Notes for Class 10 Science Chapter 8 – How do Organisms Reproduce?

This chapter includes topics like asexual reproduction - fission, budding, regeneration and fragmentation, spore formation and vegetative propagation. It also includes topics like sexual reproduction - cell division, male reproductive system, female reproductive system, menstrual cycle along with the concept of reproduction in plants. Revise all these concepts in less than 30 minutes with our Class 10 Science revision notes for Chapter 8 pdf. 

Download Free Revision Notes for Class 10 Science Chapter 9 – Heredity and Evolution

This chapter is based on topics like genes, heredity, Mendel’s work, Dominant traits, recessive traits, monohybrid cross, dihybrid cross, inheritance, laws of Mendel, sex determination, acquired and inherited traits, speciation, gene flow and more. The evolution of fossils is an important topic discussed in this chapter. You can revise all these topics in just 20 minutes with our Class 10 Science Chapter 9 notes pdf. 

Download Free Revision Notes for Class 10 Science Chapter 10 – Light Reflection and Refraction

Reflection and refraction of light are two important Physics concepts. This is why askIITians Maths experts have created detailed revision notes for this chapter. The main topics of this chapter are the nature of light, laws of reflection, the reflection of light by other media, laws of reflection, propagation of light, Fermat’s theorem, plane mirror, formation of image by a plane mirror, and reversibility of light. It also includes mirror formula and magnification, refraction of light, laws of refraction, refractive index, total internal reflection, spherical lenses, Lens formula, magnification and power. Worried about how you will revise all these topics before exams? Don’t worry our revision notes will help! 

Download Free Revision Notes for Class 10 Science Chapter 11 – Human Eye and Colourful World

The revision notes for Class 10 Science Chapter 11 include topics like the structure of the human eye and defects of a human eye such as myopia, hypermetropia, presbyopia, and cataract. Revise this chapter in just 15 minutes and get ready for your exam using free Science revision notes by askIITians. 

Download Free Revision Notes for Class 10 Science Chapter 12 – Electricity

This chapter will help you understand the concepts of conductors and insulators, electric potential and potential difference, models of electric current - Electron Sea Model, Battery and its working, etc. Other topics include the electric circuit, resistance and Ohm’s law, resistance, factors affecting resistance, resistivity, superconductors, terminal voltage, electric power, and heating effects of electric current. Download free online Class 10 revision notes for Science Chapter 12 and revise this chapter at your own pace. 

Download Free Revision Notes for Class 10 Science Chapter 13 – Magnetic Effects of Electric Current

In this chapter, you will learn topics like field and field lines, North and South pole, a bar magnet, magnetic field, iron filings test around a bar magnet, magnetic field lines, magnetic field lines for a closed-loop, magnetic field due to a current-carrying conductor, electromagnet, magnetic field due to a straight current-carrying conductor, right-hand thumb rule, force on a current-carrying conductor in a magnetic field and more. We have included all the topics of this chapter in our Class 10 revision notes pdf, making it easier for you to learn the chapter. 

Download Free Revision Notes for Class 10 Science Chapter 14 – Sources of Energy

This chapter includes topics like conservation of energy, fuels, fossil fuels, thermal energy, disadvantages of burning fossil fuels, thermal power plants, hydropower plants, turbines, dams, wind energy, solar energy, energy from the sea, tidal energy, wave energy, geothermal energy, ocean thermal energy, nuclear energy, nuclear fission, and nuclear fusion. Revise all the concepts introduced in this chapter quickly with askIITians Class 10 Science Chapter 14 notes pdf. 

Download Free Revision Notes for Class 10 Science Chapter 15 – Our Environment

This chapter is based on topics like mode of nutrition in plants and animals, saprophytes and decomposers, abiotic components, biotic components, ecosystem, trophic levels, the law of conservation of energy, energy flow, food chain, food web, air pollution, ozone layer depletion, garbage management, and biodegradation. Revise all the concepts introduced in this chapter in less than 10 minutes using our Class 10 Science Chapter 15 notes pdf. 

Download Free Revision Notes for Class 10 Science Chapter 16 – Sustainable Management of Natural Resources

In this chapter, you will learn why do we need to manage our resources, the concept of 3 R’s - Reduce, Recycle and Reuse, increase in demand of natural resources, forests and wildlife, stakeholders of the forest, monoculture, people’s intervention in forests, sustainable development, irrigation process, dams, coal and petroleum, groundwater, and why use fossil fuels judiciously. 

Class 10 Science Revision Notes FAQs 

1. Which website is the best for Class 10 Science Notes? 

askIITians is no doubt the best website for Class 10 Science Revision Notes. Our Science experts have created easy-to-understand, pointwise, latest revision notes for all the chapters of Class 10 Science. 

2. What are the chapters in Class 10 Science? 

Class 10 Science includes 16 Chapters namely, Chapter 1 – Chemical Reactions and Equations, Chapter 2 – Acids, Bases and Salts, Chapter 3 – Metals and Non-metals, Chapter 4 – Carbon and Its Compounds, Chapter 5 – Periodic Classification of Elements, Chapter 6 – Life Processes, Chapter 7 – Control and Coordination, Chapter 8 – How do Organisms Reproduce, Chapter 9 – Heredity and Evolution, Chapter 10 – Light Reflection and Refraction, Chapter 11 – Human Eye and Colourful World, Chapter 12 – Electricity, Chapter 13 – Magnetic Effects of Electric Current, Chapter 14 – Sources of Energy, Chapter 15 – Our Environment and Chapter 16 – Sustainable Management of Natural Resources. 

3. Is the NCERT book enough for CBSE Class 10 Science? 

Yes, students must study the NCERT textbook for the Class 10 Science CBSE examination. NCERT books are prescribed by CBSE for Class 10 Science. The questions asked in the Class 10 board examination are based on NCERT textbook questions only. The concepts taught in NCERT act as a base for olympiads and other competitive exams such as NTSE, JEE and NEET.