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CBSE Class 10 Science

Frequently Asked Questions:

You can find subject-wise sample papers on the official CBSE website.

The NCERT Class 10 Science textbook for 2026–27 contains 13 chapters covering Physics, Chemistry and Biology.

The three-hour, 80-mark theory paper includes objective, assertion-reasoning, short-answer, long-answer and case-based questions.

Students should understand NCERT concepts, practise diagrams and numerical problems, revise important topics and solve sample papers and previous-year questions.

Students can access chapter-wise NCERT Solutions for Class 10 Science on ALLEN to understand textbook questions through detailed, step-by-step explanations.

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CBSE Class 10 Previous Year Question Papers (PYQs) of English are available on its official website.

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CBSE Class 10 Science - Syllabus, Books & Study Material

Science helps students understand the natural world through observation, experimentation and scientific reasoning. The CBSE Class 10 Science curriculum covers important concepts from Physics, Chemistry and Biology, including chemical reactions, life processes, electricity, light and the environment.

Here, ALLEN provides an overview of the CBSE Class 10 Science Syllabus for the 2026–27 academic session, along with chapter-wise topics, prescribed NCERT books and essential study materials. Students can also access CBSE Class 10 Science Notes, NCERT Solutions, sample papers and previous-year question papers to strengthen their understanding and prepare for board examinations.

1.0CBSE Class 10 Science Syllabus

The CBSE Class 10 Science Syllabus for the 2026–27 academic session outlines the chapters and topics students need to study for their board examinations. It covers key areas of Physics, Chemistry and Biology, including chemical substances, the world of living, natural phenomena, effects of current and natural resources. Students can refer to the complete chapter-wise syllabus to understand the prescribed topics and plan their Science preparation effectively.

Units

Chapters

Practicals

Unit I: Chemical Substances - Nature and Behaviour

Chemical Reactions

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. 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

Acids, Bases and Salts

Metals and Nonmetals

Carbon Compounds

Unit II: World of Living 

Life Processes

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 (Pea, gram or red kidney bean).

Control and co-ordination in Animals and Plants

Reproduction

Heredity and Evolution

Unit III: Natural Phenomena

Reflection and Refraction

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, angle of refraction, angle of emergence and interpret the result. 

Tracing the path of the rays of light through a glass prism.

Unit IV: Effects of Current

Electric current

1. 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.

2. Determination of the equivalent resistance of two resistors when connected in series and parallel.

Magnetic effects of current

Unit V: Natural Resources

Our environment

-

CBSE Class 10 Science Chapter-wise Weightage

Unit Name

Chapter Name

Total Marks

Chemical Substances- Nature and Behaviour

Chemical Reactions and Equations

06

Acid, Bases and Salts

03

Metals and Non-Metals

10

Carbon and its Compounds

06

World of Living

Life Processes

09

Control and Coordination

06

How do Organisms Reproduce?

03

Heredity and Evolution

07

Natural Phenomena

Light- Reflection and Refraction

10

The Human Eye and the Colourful World

02

Effects of Current

Electricity

07

Magnetic Effects of Electric Current

06

Natural Resources

Our Environment

05.

2.0CBSE Class 10 Science Books

Textbooks are the primary learning resource for CBSE students. They cover the concepts prescribed in the syllabus through clear explanations, relevant examples, diagrams and activities. The books are organised into Physics, Chemistry and Biology topics, helping students develop a systematic understanding of scientific concepts. Studying the NCERT Class 10 Science textbooks helps students practise the prescribed content and build a strong foundation for the Class 10 Science board examination.

3.0Class 10 Science NCERT Solutions

Class 10 Science covers concepts from Physics, Chemistry and Biology, and students often need clear explanations to solve questions from these subjects. Chapter-wise NCERT Solutions for Class 10 Science provide step-by-step answers to textbook exercises, helping students understand scientific concepts, diagrams, chemical equations and numerical problems. These solutions also help clarify doubts and support effective preparation for the CBSE Class 10 Science board examination.

NCERT Solutions for Class 10 Science Chapters:-

Chapter 1: Chemical Reaction and Equations

NCERT Solutions Class 10 Science Chapter 2: Acid, Bases and Salts

NCERT Solutions Class 10 Science Chapter 3 Metals and Non-Metals

NCERT Solutions Class 10 Science Chapter 4 Carbon and its Compounds

NCERT Solutions Class 10 Science Chapter 5 Life Processes

NCERT Solutions Class 10 Science Chapter 6 Control and Coordination

NCERT Solutions Class 10 Science Chapter 7 How do Organisms Reproduce

NCERT Solutions Class 10 Science Chapter 8 Heredity

NCERT Solutions For Class 10 Science Chapter 9 Light Reflection and Refraction

NCERT Solutions Class 10 Science Chapter 10 Human Eye and Colorful World

NCERT Solutions Class 10 Science Chapter 11 Electricity

NCERT Solutions Class 10 Science Chapter 12 Magnetic Effects of Electric Current

NCERT Solutions Class 10 Science Chapter 13 Our Environment

4.0Class 10 Science CBSE Notes 

Science in Class 10 covers concepts from Physics, Chemistry and Biology, as prescribed in the CBSE curriculum. To help students study these topics chapter by chapter, CBSE Class 10 Science Notes provide concise explanations of NCERT concepts, chemical reactions, equations, diagrams and important formulas. They support focused revision of the prescribed syllabus and help students prepare for the CBSE Class 10 Science board examination.

Chapter-wise CBSE Notes for Class 10 Science:

Class 10 Science Chapter 1 - Chemical Reactions and Equation Notes

Class 10 Science Chapter 2 - Acid Bases and Salts Notes

Class 10 Science Chapter 3 - Metals and Non-Metals Notes

Class 10 Science Chapter 4 - Carbon and Its Compounds Notes

Class 10 Science Chapter 5 - Life Processes Notes

Class 10 Science Chapter 6 - Control and Coordination Notes

Class 10 Science Chapter 7 - How Do Organisms Reproduce? Notes

Class 10 Science Chapter 8 - Heredity Notes

Class 10 Science Chapter 9 - Light Reflection and Refraction Notes

Class 10 Science Chapter 10 - Human Eye and Colorful World Notes

Class 10 Science Chapter 11 - Electricity Notes

Class 10 Science Chapter 12 - Magnetic Effects of Electric Current Notes

Class 10 Science Chapter 13 - Our Environment Notes

5.0Class 10 Science Sample Papers

The CBSE Class 10 Science examination tests students on concepts from Physics, Chemistry and Biology through different types of questions. Practising CBSE Class 10 Science Sample Papers helps students understand the question paper format, practise syllabus-based questions and assess their preparation. These papers also help students improve time management and identify topics that need further revision before the board examination.

CBSE Sample Papers for Class 10 Science PDF with Solutions

Subject

Question Papers

Solutions

Science

6.0Class 10 Science Previous Year Question Papers (PYQs)

Preparing for the Class 10 Science board examination requires familiarity with questions asked in previous years. Solving CBSE Class 10 Science Previous Year Question Papers helps students understand how concepts from Physics, Chemistry and Biology are assessed in board exams. Practising these questions helps students identify recurring topics, understand question patterns, assess their preparation and improve their readiness for the board examination.

CBSE Class 10 Science Question Papers for 2025-26

CBSE Class 10 Science Question Papers for 2024-25

CBSE Class 10 Science Question Papers for 2023-24

CBSE Class 10 Science Question Papers for 2022-23

7.0Right Study Resources for Class 10

CBSE Syllabus for Class 10

NCERT Textbooks for Class 10

CBSE Notes for Class 10

NCERT Solutions Class 10

Class 10 Sample Question Papers

Class 10 previous year Question Papers

8.0Class 10 Science Preparation Tips

Grasp the Fundamentals: Building a strong foundation with thorough understanding helps achieve high marks in any exam. For CBSE Class 10 Board exams, NCERT books are essential for success.

Familiarize Yourself with the Syllabus & Exam Pattern: Before taking any exam, it's crucial to know the syllabus and exam pattern. This knowledge will help you plan your studies effectively.

Create a Study Plan: Once you're familiar with the exam pattern and syllabus, create a study timetable that suits you. Allocate equal time to Physics, Chemistry, and Biology, and include time for practice and solving questions.

Visualize Your Learning: Enhance your understanding by using diagrams, visuals, flow charts, and mind maps.

Learn Theorems, Derivations, and Formulas: To score well in science, it's important to learn key theorems, derivations, and formulas. Maintain a separate notebook for important formulas and derivations, making it easier to revise them closer to the exam.

Practice with CBSE Class 10 Science Sample Papers: Solving sample papers will help you understand the exam format and the types of questions that are likely to appear, aiding in better preparation. Students can also visit official website for sample questions.

Solve Previous Year Question Papers: Practicing previous year question paper cbse class 10 science helps students become familiar with the exam pattern and types of questions. By solving these papers, scoring full marks becomes more achievable and realistic.

CBSE Subject Wise Overview

CBSE Class 10 Science

CBSE Class 10 Maths

CBSE Class 9 Science

CBSE Class 9 Maths

CBSE Class 8 Science

CBSE Class 8 Maths

CBSE Class 7 Science

CBSE Class 7 Maths

CBSE Class 6 Science

CBSE Class 6 Maths


Class 10 Science Resources

CBSE Class 10 Science Syllabus

CBSE Class 10 Science Sample Papers

CBSE Class 10 Science Previous Year Papers

CBSE Exam Class 6-12

CBSE Class 10

CBSE Class 9

CBSE Class 8

CBSE Class 7

CBSE Class 6

CBSE Class 11

CBSE Class 12