CBSE Syllabus for Class 10 Science (2020)
The annual board examination of Class 10 Science is based on entire syllabus issued by CBSE. The 10th class annual exam will be of 80 marks (Theory) and 20 marks shall be for Practical and Internal assessment. Theory and Practical with internal assessment is discussed in the CBSE class 10 Science syllabus.
The course structure of Class 10th science includes theory and practical. The Units and marks wise distribution is given in the table below.
| Unit | Unit Name | Marks |
|---|---|---|
| I | Chemical Substances (Nature and Behaviour) | 25 |
| II | World of Living | 23 |
| III | Natural Phenomena | 12 |
| IV | Effects of Current | 12 |
| V | Natural Resources | 07 |
The Marks distribution for Class 10th Science:
| Total Marks For Science Theory | 80 |
|---|---|
| Science Internal assessment | 20 |
| Marks Grand Total | 100 |
The syllabus of Class 10 Science has 5 Units and each unit have a different number of chapters. And there is a total of 14 chapters in Science subject. The Unit and chapter wise distribution along with the number of periods is given below in the table.
| Unit Name | Chapter Name | Periods |
|---|---|---|
| Chemical Substances – Nature and Behaviour | Chemical Reactions | 55 |
| Acids, Bases, and Salts | ||
| Metals and nonmetals | ||
| Carbon Compounds | ||
| Periodic Classification of elements | ||
| World of Living | Life Processes | 50 |
| Control and Co-ordination in animals and Plants | ||
| Reproduction | ||
| Heredity and Evolution | ||
| Natural Phenomena | Natural Phenomena | 23 |
Effects of Current | Effects of current | 32 |
Magnetic effects of current | ||
| Natural Resources | Sources of Energy | 20 |
| Our Environment | ||
| Management of Natural Resources |
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