Class 7 Science Olympiad: previous year questions and free practice
Practice based on previous year papers (2018-19 to 2025-26) and the syllabus, every answer explained.
Class 7 Science Olympiad exam pattern
| Section | Questions | Marks each |
|---|---|---|
| Logical Reasoning | 10 | 1 |
| Science | 35 | 1 |
| Achievers Section | 5 | 3 |
| Total | 50 | 60 marks · 60 minutes |
Class 7 Science olympiads in 2026-27
- International Science Olympiad (formerly NSO) · SOF · ₹170
- National Level Science Talent Search Examination · Unified Council · ₹350 online
- CREST Science Olympiad · CREST · ₹275
- International Olympiad of Science · SilverZone · fee shown when you register
- Humming Bird Science Olympiad · Humming Bird · ₹150 to ₹200
- International Science Olympiad (ITO) · Indian Talent · ₹175 school · ₹500 online
- International Foundation Science Olympiad · IOF · ₹150
Class 7 Science topics in each olympiad
| SOF | UC | CREST | SZ | ITO | IOF | |
|---|---|---|---|---|---|---|
| Plants | ● | ● | ● | ● | ● | ● |
| Animals | ● | ● | ● | ● | ● | ● |
| Acids, Bases and Salts | ● | ● | ● | ● | ● | ● |
| Motion and Measurement | ● | ● | ● | ● | ● | ● |
| Electricity and Magnets | ● | ● | ● | ● | ● | ● |
| Heat and Temperature | ● | ● | ● | ● | ● | ● |
| Life Processes | ● | ● | ● | ● | ● | ● |
| Reproduction and Growth | ● | ● | ● | ● | ● | ● |
| Physical and Chemical Changes | ● | ● | ● | ● | ● | |
| Light | ● | ● | ● | ● | ● | |
| Only in some exams | ||||||
| Food and Nutrition | ● | ● | ● | ● | ||
| Air, Water and Weather | ● | ● | ● | ● | ||
| Environment and Resources | ● | ● | ● | ● | ||
| Reasoning | ● | ● | ● | ● | ||
| Matter and Materials | ● | ● | ● | |||
| Metals and Non-metals | ● | ● | ● | |||
| Fibres and Fabrics | ● | ● | ||||
| Earth, Sky and Space | ● | |||||
| Sound | ● | |||||
| Cells and Microorganisms | ● | |||||
| Diversity of Living Things | ● | |||||
| Science Around Us | ● | |||||
| Maths | ● | |||||
UC Unified Council · SZ SilverZone · ITO Indian Talent. Humming Bird gives no class-wise topic list. Checked on each organiser's own syllabus, 8 Nov 2026.
A sample question with the answer
- It is a set of guesses that never needs to be checked by anyone
- It is only the work done by people in white coats inside laboratories
- It is a way of testing ideas, and its answers can change
- It is a fixed list of facts that never changes once it is written in a book
Questions parents ask
We do not share the papers themselves. Our practice follows real papers from 2018-19 to 2025-26, in the same pattern, each with its answer explained.
A few questions a day, and one timed mock paper a week. Then give extra time to the topics Parents' Corner marks "Practise next". The hardest section carries more marks, so practise it too.
More free practice
Class 7: Maths · English · General Knowledge · Computer · Social Studies · Spell Bee · Talent Test · Reasoning · Mental Maths · Green · Space
Science: Class 1 · Class 2 · Class 3 · Class 4 · Class 5 · Class 6 · Class 8
Every olympiad for Class 7 · All olympiads A to Z
Olympiad Owl is a free, independent practice app. It is not connected with or endorsed by any Olympiad organiser; exam names are used only to describe what the practice is for. Every question is written for this app.