Karnataka Board Class 10 Science Syllabus 2026-27: Complete & Detailed Guide for SSLC Students

The Class 10 Science syllabus integrates Physics, Chemistry, Biology, and Environmental Science, encouraging analytical thinking, problem-solving skills, and real-life application of scientific concepts.

✔ Marks Distribution

✅ Theory Examination: 80 Marks

✅ Internal Assessment (IA + Practical): 20 Marks

✅ Exam Duration: 3 Hours

Internal assessment marks are awarded based on lab work, assignments, periodic tests, and project activities, making regular study essential throughout the year.

✔ Major Branches Covered in Class 10 Science

The syllabus is divided into the following core sections:

✅ Physics – Laws of motion, energy, electricity, and optics

✅ Chemistry – Chemical reactions, acids, bases, metals, and carbon compounds

✅ Biology – Life processes, reproduction, heredity, and environment

✅ Environmental Science – Natural resources and sustainability

✔ Physics: Chapters and Key Concepts

Physics focuses on understanding natural laws and their applications in daily life.

✔ Important Physics Chapters

✅ Light – Reflection and Refraction

✅ The Human Eye and the Colourful World

✅ Electricity

✅ Magnetic Effects of Electric Current

✅ Sources of Energy

✔ Key Focus Areas

✅ Numerical problem-solving

✅ Diagrams and ray drawings

✅ Definitions and laws

✅ Applications of concepts in real life

Regular practice of numericals and neat diagrams is crucial to score well in Physics.

✔ Chemistry: Chapters and Key Concepts

Chemistry helps students understand substances, their properties, and transformations.

✔ Important Chemistry Chapters

✅ Chemical Reactions and Equations

✅ Acids, Bases and Salts

✅ Metals and Non-metals

✅ Carbon and its Compounds

✅ Sources of Energy (Chemical aspect)

✔ Key Focus Areas

✅ Balanced chemical equations

✅ Properties and uses of substances

✅ Chemical reactions in everyday life

✅ Laboratory-based questions

Learning reactions by understanding concepts rather than memorizing improves retention and exam performance.

✔ Biology: Chapters and Key Concepts

Biology explains living organisms, life processes, and environmental balance.

✔ Important Biology Chapters

✅Life Processes

✅ Control and Coordination

✅ How do Organisms Reproduce

✅ Heredity and Evolution

✅ Environment and Natural Resources

✅ Management of Natural Resources

✔ Key Focus Areas

✅ Diagrams and labeling

✅ Definitions and explanations

✅ Differences between processes

✅ Environmental awareness

Biology is a high-scoring section if diagrams and terminology are practiced properly.

✔ Environmental Science: Sustainability and Resources

Environmental topics help students understand the importance of conservation and sustainable development.

✔ Topics Covered

✅ Ecosystems

✅ Natural resource management

✅ Renewable and non-renewable resources

✅ Human impact on the environment

These chapters often include application-based and long-answer questions.

✔ Practical Work and Internal Assessment

Practical work plays a significant role in scoring marks easily.

✔ Internal Assessment Includes

✅ Laboratory experiments

✅ Record book maintenance

✅ Project work

✅ Periodic assessments

✅ Viva voce

Students should complete lab records neatly and understand experiment procedures thoroughly.

✔ Exam Pattern and Question Types

The Science theory paper generally includes:

✅ Multiple-choice questions (MCQs)

✅ Very short answer questions

✅ Short answer questions

✅ Long answer questions

✅ Diagram-based and numerical problems

Proper time management is essential to attempt all questions within the exam duration.

✔ Smart Preparation Tips for Class 10 Science

✅ Understand concepts instead of rote learning

✅ Practice diagrams and numericals daily

✅ Revise formulas and definitions regularly

✅ Solve previous years’ question papers

✅ Prepare chapter-wise notes

✅ Focus on high-weightage chapters

Consistent revision and practice can significantly boost confidence and performance.

✔ Importance of Science in SSLC and Beyond

A strong performance in Class 10 Science opens doors to:

✅ Science stream in Class 11

✅ Engineering and medical entrance exams

✅ Technical and research-oriented careers

✅Improved logical and analytical thinking

Science helps students develop a scientific attitude essential for modern education.

Conclusion

The Karnataka Board Class 10 Science syllabus 2026-27 is comprehensive, concept-based, and application-oriented. With a balanced focus on theory, practical work, and internal assessment, the syllabus prepares students for both board exams and future academic challenges. By studying regularly, practicing numericals and diagrams, and revising systematically, students can score high marks and build a strong scientific foundation for their future.