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CBSE Class 10 Science 2025 Important Topics and Preparation Tips

by PW Gulf
May 17, 2024
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CBSE Class 10 Science 2025: The Central Board of Secondary Education (CBSE) has released the updated Class 10 Science syllabus for the academic year 2024-25. This syllabus is essential for students preparing for their board exams.

The syllabus covers key concepts in Physics, Chemistry, and Biology, helping students to thoroughly understand these subjects. Fortunately, there are no major changes from last year's syllabus, making it easier for students to prepare.

  • The syllabus is organized into five main themes: Materials, The World of The Living, How Things Work, Natural Phenomena, and Natural Resources. This structure ensures a clear and focused approach to learning.

CBSE Class 10 Science 2025 Overview

The CBSE Class 10 Science syllabus for the academic year 2024-25 provides a structured framework for students to excel in Physics, Chemistry, and Biology. The syllabus remains consistent with last year's, ensuring a smooth transition for students. It covers essential topics like Chemical reactions, Acids, bases and salts, Metals and nonmetals, Carbon and its Compounds, Periodic Classification of elements, Life processes, and more. 

Note: The syllabus emphasizes practical application, including practicals and projects, to enhance conceptual understanding. 

CBSE Class 10 Science 2025 Important Topics

The important topics for CBSE Class 10 Science 2025 are structured around five broad themes as per the syllabus for the academic year 2024-2025. These themes include:

  1. Chemical Substances-Nature and Behaviour - This theme covers topics related to chemical reactions, acids, bases, salts, metals, non-metals, carbon compounds, and periodic classification of elements.

  2. World of Living - Encompasses life processes, reproduction, heredity, evolution, control and coordination, and our environment.

  3. Natural Phenomena - Focuses on reflection of light, images formed by spherical mirrors, path of rays through a glass prism, and other natural phenomena.

  4. Effects of Current - Includes concepts related to electric current, magnetic effects of electric current, and domestic electric circuits.

  5. Natural Resources - Covers topics on sources of energy, waste production, environmental problems, biodegradable and non-biodegradable substances, and conservation of natural resources.

CBSE Class 10 Science 2025 Important Topics

Chapters

Marks Weightage

Chemical Substances-Nature and Behaviour:

  • Chemical Reactions and Equations

  • Acids, Bases, and Salts

  • Metals and Non-metals

  • Carbon and Its Compounds

25

World of Living:

  • Life Processes

  • Control and coordination in animals and plants

  • Reproduction

  • Heredity

25

Effects of Current: 

  • Electricity

  • Magnetic Effects of Electric Current

13

CBSE Class 10 Science 2025 Exam Pattern

Here is the exam pattern for the CBSE Class 10 Science exam in 2025:

  • Annual Theory Exam: 80 marks

  • Internal Assessment: 20 marks

  • Exam Duration: 3 hours

Internal Assessment (20 marks)

The internal assessment for CBSE Class 10 Science in 2024-25 will be conducted based on the following components:

Components

Marks

Periodic Assessment

10

Subject Enrichment (Practical Work)

05

Portfolio

05

Total

20

Unit-wise Weightage (80 marks)

The theory paper will be divided into 5 units with the following marks distribution:

Unit

Unit Name

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

Chapter-wise Weightage

The 80 marks theory paper will cover chapters from Physics, Chemistry and Biology with the following marks distribution:

Unit

Unit Name

Chapter Name

Marks

I

 

 

 

Chemical Substances- Nature and Behaviour

Chemical Reactions and Equations

6

 

 

 

Acid, Bases and Salts

3

Metals and Non-Metals

10

Carbon and its Compounds

6

II

 

 

 

World of Living

Life Processes

9

 

 

 

Control and Coordination

6

How do Organisms Reproduce?

3

Heredity and Evolution

7

III

 

Natural Phenomena

Light- Reflection and Refraction

10

 

The Human Eye and the Colorful World

2

IV

 

Effects of Current

Electricity

7

 

Magnetic Effects of Electric Current

6

V

Natural Resources

Our Environment

5

CBSE Class 10 Science 2025 Preparation Tips

Here are important tips to boost your performance in the upcoming CBSE Class 10 Science Board Exam 2024. Follow these preparation strategies to ensure a good score:

  1. Solve the Official Sample Paper: Practice with the official CBSE Class 10 Science Sample Paper for 2024.

  2. Complete the Syllabus: Cover the entire syllabus before the exams, leaving enough time for revision. Revise each topic and chapter at least twice.

  3. NCERT Exercises: Solve every question from the NCERT exercises, as similar questions often appear in the exam.

  4. Understand the Exam Pattern: Familiarize yourself with the exam pattern and prepare accordingly. Know the types of questions that are asked.

  5. Focus on MCQs: Since MCQs are a new section, practice solving them effectively.

  6. Time Management: Develop a time management strategy and stick to it. Allocate time for each section and reserve 15 minutes for revision.

  7. Previous Year Papers: Solve at least the last 5 years' question papers. Some questions may be repeated.

CBSE Class 10 Science 2025 Answer Writing Tips

Here is the required CBSE Class 10 Science 2025 Answer Writing Tips listed below:

  • Read the Question Paper Thoroughly: Plan your approach to the exam carefully.

  • Include Every Step in Numerical Problems: This can help you avoid losing marks unnecessarily.

  • Be Concise and Relevant: Write precise and correct answers rather than filling the sheet.

  • Stick to the Word Limit: This will save time for revision.

  • Revise Your Answers: Thoroughly review each answer to avoid losing marks.

  • Detailed Definitions: Provide concise definitions and add relevant details like SI units or formulas if time permits.

CBSE Class 10 Science 2025 Exam Day Tips

Here is the required CBSE Class 10 Science 2025 Exam Day Tips listed below:

  • Early Morning Revision: Wake up early and revise using your notes and formula pages.

  • Avoid New Topics: Focus on revising what you know instead of learning new things.

  • Review the Sample Paper: Go through the sample paper thoroughly.

  • Rest Before the Exam: Take at least an hour's rest before the exam.

  • Eat Nutritiously and Stay Hydrated: Have healthy food and drink plenty of water.

  • Practice Stress Relief: Engage in stress-relieving exercises like deep breathing.

CBSE Class 10 Science 2025 FAQs

Q1. What are the main themes covered in the CBSE Class 10 Science syllabus for 2025? 

Ans: The syllabus is organized into five main themes: Chemical Substances-Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, and Natural Resources.

Q2. How should I prepare for the CBSE Class 10 Science exam? 

Ans: Cover the entire syllabus before the exams, revise each topic at least twice, solve NCERT exercises, and practice with the official sample paper and previous years' question papers.

Q3. What is the exam pattern for the CBSE Class 10 Science exam in 2025? 

Ans: The exam consists of an 80-mark theory paper and a 20-mark internal assessment. The theory exam is 3 hours long.

Q4. How important are practicals in the CBSE Class 10 Science syllabus? 

Ans: Practicals are crucial as they enhance conceptual understanding. The internal assessment includes practical work worth 5 marks.

Q5. What are some key answer writing tips for the CBSE Class 10 Science exam? 

Ans: Read the question paper thoroughly, include every step in numerical problems, write concise and relevant answers, stick to the word limit, and revise your answers carefully.

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