The National Science Olympiad is conducted annually by the Science Olympiad Foundation (SOF). The NSO is a scholarship exam that aims at enriching scientific reasoning and logical ability. The exam is conducted for students studying from Class 1 to Class 12. The SOF NSO is held at Levels 1 and 2. Level 1 is conducted for all students studying in classes 1 to 12. Level 2 is conducted for those students who qualify level 1 exam from Grade 3 to Grade 12. The student must fit into the eligibility criteria set by the SOF organisation to enter into the level 2 exam.
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Outline of the Examination
There are two levels for the examination. The first is level 1, and the student who qualifies in this level will be eligible to write the level 2 examination. The two levels of the NSO Olympiad exam start from Grade 3. Students studying in Classes 1 and 2 will have only level 1 examination, and ranks are given based on their performance.
- The exam is an objective-type test consisting of 35 multiple-choice questions for classes 1 to 4 and 50 multiple-choice questions for Classes 5 to 12.
- The top 5% of students, class-wise, who appear for the 1st level exam will qualify for the next level.
The Pattern of Examination
The exam is an objective-type test consisting of 35 multiple choice questions for Class 4. The examination is divided into three sections.
- Section 1 questions are about Logical reasoning
- Section 2 questions are about Science
- Section 3 questions are on HOTS and it is called the Achievers section
The marks distribution for the three sections is shown below
| Class / Grade | Section | Number of questions | Marks per question | Total marks |
| Grade 4 | Section 1 | 5 | 1 | 5 |
| Section 2 | 25 | 1 | 25 | |
| Section 3 | 5 | 2 | 10 | |
| Grand Total | 35 | 40 | ||
Class 4 Syllabus National Science Olympiad
The syllabus of NSO goes hand in hand with the academic curriculum of CBSE, ICSE and different state boards. Students who study in any of these boards mentioned can attempt the examination. The NSO syllabus is designed on the concepts and theories that the candidate is going to study in the academic year of that particular grade.
The NSO syllabus for Class 4 is tabulated below.
| Section of the exam | Name of the section | Topics included in the section |
| Section 1 | Logical reasoning | Verbal and Non-verbal reasoning
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| Section 2 | Science Section | The concepts and topics related to Science Subject
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| Section 3 | Achievers Section | This section deals with Higher- Order Thinking Questions. The topics for this section are the same as section 2, but the difficulty level would be a little more. |
Textbooks of the prescribed academic curriculum are the best guide to preparing for the examination. Moreover, the student who solves NSO Class 4 previous year papers gets a sound grip over the exam pattern. The student who refers to textbooks and other reference books, which are mentioned on the SOF official website, will crack the exam for sure.
Class-wise Syllabus list
