NCERT Books for Class 10 Science 2020-21 - NCERT publishes the NCERT Science Class 10 Science books for the students. NCERT Class 10 Science books are easily available in the pdf format on the official website of the NCERT, Many boards including CBSE prescribe the NCERT books for Class 10 Science. NCERT books are written in such a language that it is very understandable for everyone. Class 10 NCERT Science books are very essential for the students as many questions are asked as per these books in the competitive exams. Therefore, students must refer to these books and clear the fundamental concepts. Also, know the marking scheme and important topics of the NCERT Class 10 Science books.


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NCERT Books for Class 10 Science 2020-21 - Download Chapter Wise Pdf Here

How to Purchase NCERT Books Class 10 Science Online 2020-21?

NCERT has started the provision for students to purchase the NCERT books online. Students have to follow the given steps to purchase the NCERT Books for Class 10 Science

Steps to Purchase NCERT Class 10 Science books Online

Follow the below-given steps to purchase the NCERT science books for Class 10th online-

  • Students can visit the official website of NCERT, to order the Class 10 Science Books online

  • Register online by providing the basic info before placing the order.

  • Now, Click on the link "order textbooks online" and add the Class 10 Science NCERT books in the cart

  • Select the “proceed to payment” for paying the amount through online mode by using net banking, credit card or debit card.

NCERT Books Class 10 Science 2020-21 (Chapter wise links)

Chapter Name

Important Topics

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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, neutralization, oxidation and reduction

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Acids, Bases and Salts

Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, the concept of pH scale (Definition relating to logarithm not required), the importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris

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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

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Carbon and its Compounds

Covalent 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

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Periodic Classification of Elements

Need for classification, Early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties

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Life Processes

‘Living Being.’ The basic concept of nutrition, respiration, transport and excretion in plants and animals

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Control and Coordination

Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones

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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. Childbearing and women’s health

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Heredity and Evolution

Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution

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Light - Reflection and Refraction

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.

Refraction; Laws of refraction, refractive index.

Refraction of light by the spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens

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The Human Eye and the Colourful World

The 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

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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, the 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

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Magnetic Effects of Electric Current

The magnetic 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, Electric Motor, Electromagnetic induction. The induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits

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Sources of Energy

Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy

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Our Environment

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

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Sustainable Management of Natural Resources

Conservation and judicious use of natural resources. Forest and wildlife; Coal and Petroleum conservation. Examples of people’s participation in the conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources

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Also Read, NCERT Syllabus for Class 10 Social Science

Benefits of Using NCERT Books Class 10 Science 2020-21

The given benefits will let the students know the importance of using the NCERT Science books. Know why students should use only NCERT CBSE Class 10th books.

  • NCERT Books for Class 10th Science covers the complete syllabus. Hence, refer to the books before referring to other guides and books.

  • Students should also refer to NCERT Science Books for scholarship exam preparation.

  • NCERT 10th Science Books contain ample questions in a practice exercise. The questions asked in Board exam papers are usually similar to them.

  • Students can score high in the examination if they refer to NCERT Science Books for CBSE Class 10th.

  • Making notes from these Class 10th Science books of NCERT is easier as they only have short and important descriptions.

  • NCERT books are thinner than reference books. Students can carry them during a short vacation or while going to a caching centre. Hence, it would be easier for students to revise the syllabus through these books

Also, Read NCERT Books for Class 10 English

How to Download NCERT Science Books for Class 10 Pdf Free?

Students who want to access the free pdf of NCERT books class 10 science can either click the below-given link or can visit the main website of NCERT to download the free NCERT book pdf. Follow the provided steps to download the same

  • Click the below link of the respective chapter link or visit the main website

  • Select the preferred class and subject.

  • A pdf file will open on the computer screen.

  • Students can click on the arrow provided above to download the free pdf file of NCERT Class 10 Science book

Also, read NCERT Class 10th Maths Books

Best Reference Books for Class 10 Science

Along with the NCERT Books Class 10 Science, students can also consult some good reference books to check numerical variation and more sample questions. Check the given table to know the best class 10th science reference books-

Best Class 10 Science Reference Books


Reference Books


Physics by Lakhmir Singh and Manjit Kaur

Principles of Physics S Chand books, – N.k Chowdhry

Fundamentals of Physics – Pradeep publication


Chemistry by Lakhmir Singh and Manjit Kaur


Biology by Lakhmir Singh and Manjit Kaur

How to Prepare for CBSE Class 10th Science?

  1. Follow the NCERT Class 10th Syllabus- Students should follow the relevant CBSE syllabus for Class 10th as it will cover all the important topics that are asked in the examination.

  2. Make the Concepts Clear- Just mugging up the topics and facts won’t help you in the long run. Students should have a clear and concise idea of what the topic is all about and how to implement the same while solving the CBSE 10th question papers.

  3. Solve Sample Papers & Previous Year’s Question Papers- Students can have the idea of the difficulty level of questions and important topics through CBSE 10th question papers. Hence, it is mandatory to solve the maximum number of sample papers and previous year papers to get good marks in the examination.

  4. Revise Prepared Topics- To retain the information of facts and formulas for a longer duration, students should revise the prepared topics on a regular interval.

Frequently Asked Question (FAQs) - NCERT Books for Class 10 Science 2020-21 - Download Chapter Wise Pdf Here

Question: Are the NCERT Class 10 books enough for the CBSE Board 10th exam preparation?


Yes, NCERT Class 10 books are enough for the CBSE exam preparation. However, students can also use some reference books to solve a variety of questions.

Question: Are the questions in the competitive exams asked from the NCERT books for Class 10 Science?


Yes, in many scholarship exams such as NTSEKVPY, etc, many questions are asked from the NCERT books for Class 10th.

Question: What is the difference between the NCERT and CBSE books?


CBSE is a board which is the governing body while NCERT is the publishing body.

Question: How can I download the NCERT Class 10 books?


NCERT Class 10 books can be downloaded online from the official website of the NCERT,

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Questions related to CBSE Class 10th

Showing 14 out of 14 Questions

best app or website for cbse9th,10th

Mibin Mathew Mammen 27th May, 2020

Dear Varun,

Thank you for your query. The best website for preparing for CBSE Exams and for study is the (// which you can find in any browser. It provides access to many guides for different subjects and also mock tests which can help in scoring well for the exams. The best app would be of the Meritnation.

All the best


Some news is becoming viral that the CBSE board has cancelled the exams.How far is it true?

maniprabha.singh 15th May, 2020

CBSE has decided to take the remaining 10th and 12th board exams from July 1 to 15, 2020.


if the state government announce that the public exam for 10th is cancelled will the nios 10th exam will also be cancelled?

Sai Sri Nandan Ch 8th Apr, 2020


The State Education Ministry/Department is responsible for the exams of respective State Board.

NIOS is a separate national level board and such announcements by State Govt. will not mean that NIOS exams also will be cancelled.

For NIOS exam dates/updates, stay tuned to the home page of their official website where all latest news and notifications are posted.

You should consider that NIOS class 10 exams are cancelled if and only if it is also posted in the above link.

Hope this helps.


when is going to the result will publish

Suryashis Chakraborty 22nd Mar, 2020

Hello Himanshu,

The CBSE Board was earlier scheduled to declare the CBSE Class 10 Boards Examination results online, on, in the first week of May. The declaration of the results was expected to be on May 6, 2020. However due to the ongoing Corona Virus pandemic, the examinations have been postponed and the results are expected to be delayed.

You can stay updated on our website via the following link:

Hope this helps you. We wish you the best for your future endeavours!



I bubbled one letter of my name incorrectly but wrote correctly in boxes? (CBSE class 10)

Nikki Nair 20th Mar, 2020

Hello Aspirant

If you have filled your Roll no correctly then according to your number the scanner will match the database and will consider the wrong bubble that you have marked!

Even the Application has another advantage that it either checks the characters or the bubble .Either of them have to be correct

If both of them are wrong ,then there are chances that the paper may be rejected,Else you are good to go


The question have been saved in answer later, you can access it from your profile anytime. Access now

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