Weightage of Science Class 10 chapter-wise 2026: Understanding this is essential for smart and focused exam preparation. The CBSE Class 10 Science weightage 2026, aligned with the CBSE Class 10 Science syllabus, gives students a clear idea of which chapters carry more marks, helping them prioritise important topics and plan revision effectively.
With a well-defined chapter wise marks distribution, students can balance their preparation across Physics, Chemistry, and Biology instead of studying all chapters equally.
The Science evaluation is divided into theory + internal assessment, making it important to perform well in both written exams and practical or activity-based components. Knowing the chapter-wise weightage not only improves time management but also boosts confidence by aligning preparation with the actual exam pattern.
Weightage of Science Class 10 Highlights
Check Weightage of Science class 10 CBSE 2026 chapter wise. The Class 10 Science exam assesses students' understanding of concepts, application skills, and internal assessment performance.
Students can use this overview to understand how marks are distributed between the theory paper and internal assessment and plan their preparation effectively.
| CBSE Class 10 Science Weightage 2026 Overview | |
| Component | Marks |
| Theory Exam | 80 |
| Internal Assessment | 20 |
| Total | 100 |
Chapter Wise Weightage of Science Class 10 2026
Weightage of science class 10 CBSE 2026 chapter wise helps students understand the marks assigned to each unit and chapter. This allows them to prioritize important topics, manage their study time efficiently and focus on areas that carry higher marks.
|
Chapter-wise Weightage for Class 10 CBSE Science |
|||
|
Unit No. |
Unit Name / Chapters |
Marks |
Weightage (%) |
|
I |
Chemical Substances – Nature & Behaviour |
25 |
31% |
|
II |
World of Living |
25 |
31% |
|
III |
Natural Phenomena |
12 |
15% |
|
IV |
Effects of Current |
13 |
16% |
|
V |
Natural Resources |
5 |
6% |
|
Total (Theory) |
80 |
100% |
|
|
Internal Assessment |
20 |
– |
|
|
Grand Total |
100 |
– |
|
Class 10 Science Weightage Chapter Wise Marks 2026
Science Class 10 Weightage 2025-26 helps students understand how marks are distributed across different chapters in Physics, Chemistry, and Biology. This clarity allows better planning, focused revision, and balanced preparation for the board exam
Science Class 10 weightage 2025-26 Internal Assessment
Check Weightage of Science Class 10 NCERT 2025-26. The internal assessment for Class 10 Science carries 20 marks and evaluates students' practical and analytical skills. It includes:
-
Conducting experiments, recording observations, and writing reports.
-
Maintaining a proper record of all experiments performed.
-
Small scientific projects or investigations based on concepts studied.
-
Performance in tests, assignments, and classroom activities.
How to Prepare for Class 10 Science Board Exam 2026?
To score well in the Class 10 Science Board Exam 2026, students need a clear strategy that covers both theory and practical aspects. CBSE Class 10 Sample Papers can help you better. Understanding the syllabus, science weightage class 10 2026, and practicing regularly are important steps for effective preparation.
-
Start by reviewing the CBSE Class 10 Science syllabus 2026 and the chapter-wise weightage. Focus on high mark units like Chemical Substances, Nature & Behaviour and World of Living.
-
Prepare short notes, flowcharts and labeled diagrams for quick revision of important concepts, formulas and processes.
-
Solve numerical problems, experiments and application-based questions regularly to strengthen conceptual understanding.
-
Attempt CBSE Class 10 previous years question papers and sample papers to understand the exam pattern, frequently asked questions and time management.
-
Allocate study time according to chapter weightage, giving priority to units carrying more marks and balancing theory and practical preparation.
-
Revise formulas important reactions, derivations and practical methods multiple times to improve retention and boost confidence.
-
Don’t ignore internal assessment and practical work these are important for scoring full marks.