Sample PDF of SilverZone - International Olympiad of Science (IOS) PDF Sample Papers for Class 4:
If your web browser doesn't have a PDF Plugin, you can Click here to download the PDF
This exam is held on two different dates. Schools pick one that fits their schedule. The paper format stays the same even if the questions change. That keeps things simple for students.
Check SilverZone iOS Exam Dates for Class 4
Everything in the paper is from what is taught during the year. No extra material is added. Going through class notes and school revision is enough.
View the full syllabus and exam pattern for Class 4
After the exam, the answer key is posted online. Students check it to see what they got right. It helps catch small mistakes.