NSO Class 3 Sample Paper 2025 - Free Science PDF

The Science Olympiad Foundation has built a solid name for itself, with thousands of students taking part each year. The National Science Olympiad is a good way for students to improve their Science in a fun, challenging way. If a student is in Class 3, there’s a Level 1 sample paper PDF on this page that gives a clear idea of what kind of questions to expect. Since the competition can be tough, going through sample papers can really help students feel more prepared and confident.

You may also checkout the NSO Level 2 Exam Sample Paper for Class 3

SOF NSO Exam Dates 2025-26 for Class 3 (Level 1)

The National Science Olympiad (NSO) will be held on three different days during the school year 2025-26. Schools may select any of the following dates based on their convenience:

Check SOF NSO Exam Dates for Class 3

Note: Each school is allowed to select only one of the available dates, and a separate question paper will be provided for each date. This flexibility allows schools to plan and conduct the exam in a way that best fits their academic calendar.

SOF NSO Syllabus 2025-26 for Class 3 (Level 1)

Does your child have any plans to compete in this year's SOF? While making Science engaging and fun, the Class 3 syllabus is thoughtfully designed to match their learning stage. It’s a simple, pressure-free way to build confidence and curiosity.

Want to know what's in the exam and how it's structured?

View the full syllabus and exam pattern for Class 3

SOF NSO Answer Key for Class 3 (Level 1)

SOF plans to provide the Class 3 NSO answer key in PDF format on its official website soon after the exam is completed. The solution keys to all three sets will be released separately. The NSO Class 3 answer key provides correct solutions to all exam questions, allowing applicants to estimate their prospective scores before the official results are revealed.

View the Answer Key for Class 3

SOF NSO Results 2025-26 for Class 3 (Level 1)

SOF NSO results for Classes 1 to 12 are usually revealed within 8 weeks of the exam. Students can check their scores on the official SOF website or at their local school.

See the SOF NSO Results 2025-26 for Class 3