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Silverzone International Olympiad of Science
Silverzone integrated PCB olympiad for school students with reasoning and an Achievers Section.
Updated 23 Aug 2026 ·Vacancy counts change every cycle — always confirm the exact number in the latest official notification before applying.
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Source: official exam authority notification · refreshed weekly. How this works →
Free SZF IOS preparation on Shishya
Take expert-curated mocks, practise previous year papers, and Ask Shishya when you're stuck — verified by students who cleared the same path. All free, no credit card. Sign in with Google to begin.
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MotionA train starts from rest and accelerates uniformly at 2 m/s² for 10 seconds. What is the distance covered by the train in this time?
Tap an option to check your answer.
Start with a diagnostic
10 questions across the syllabus to see where you stand.
2025
20 questions
Take paper →2024
20 questions
Take paper →2023
20 questions
Take paper →2022
20 questions
Take paper →2021
20 questions
Take paper →Take any mock in your preferred language — use the language picker inside the mock to switch (Hindi, Telugu, Tamil, Bengali, and 15 more).
SZF IOS — Quick Practice
FULL30 questions · 60 min
Start mock →Full-length subject tests below — 25 questions each, real exam format, instant scoring. Want to drill a single topic? Every topic has its own 10-question test in the syllabus.
Physics
52 QsChemistry
50 QsBiology
59 QsReasoning and Aptitude
23 QsAchievers Section
24 QsTell Shishya exactly what to test you on — topics, size, difficulty — and get a fresh mock in seconds. Leave the box blank and we'll target your weakest topics.
Take a mock to see where you stand on the leaderboard.
What can I get from SZF IOS?
Mock-score → expected rank → likely outcome. Use the mocks below to find your current band, then plan how many marks you need to climb.
International Top Ranks
92–100% · Post-based exam (no numeric rank)
SilverZone Foundation has opened registrations for the International Olympiad of Science (IOS) 2026-27 cycle. Schools can register their students until August 31, 2026. Three exam date options are available: October 14, November 19, and December 8, 2026.
SilverZone Foundation has announced that Dubai will be the venue for Level 3 examination for schools outside India for the 2026-27 session.
The Silverzone Foundation announced International Olympiad of Science Level 1 results for the 2025-26 session. Results are available at silverzone.org. Qualified students will be eligible for the Level 2 exam with results expected in March 2026.
Tap any topic for its study notes + a 10-question topic test
Motion
Distance, displacement, velocity, acceleration, equations of motion, graphs.
Force and Laws of Motion
Newton's three laws, inertia, momentum, conservation of momentum.
Gravitation
Universal law, free fall, mass vs weight, thrust and pressure, buoyancy.
Work, Energy and Power
Work done by force, kinetic and potential energy, conservation, power.
Sound
Production, propagation, reflection, echo, ultrasound, range of hearing.
National Top Performers
85–92% · Post-based exam (no numeric rank)
State/Regional Top Ranks
75–85% · Post-based exam (no numeric rank)
Zonal Excellence
60–75% · Post-based exam (no numeric rank)
Class/School Level Recognition
40–60% · Post-based exam (no numeric rank)
Participation Level
0–40% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
Level 1 Result 2025-26
passedFri, 16 Jan, 2026
Results declared for 2025-26 cycle Level 1
Level 2 Result 2025-26 (expected)
passedSun, 15 Mar, 2026
Level 2 result expected in March 2026
Registration deadline 2026-27
5 days awayMon, 31 Aug, 2026
Schools must register students by this date
🏅Level 1 Exam - Date Option 1
49 days awayWed, 14 Oct, 2026
Schools choose one of three available dates
🏅Level 1 Exam - Date Option 2
85 days awayThu, 19 Nov, 2026
Schools choose one of three available dates
🏅Level 1 Exam - Date Option 3
104 days awayTue, 8 Dec, 2026
Schools choose one of three available dates
Answer Key 2026-27 (expected)
135 days awayFri, 8 Jan, 2027
Answer key released within 30 days after exam
Level 1 Result 2026-27 (expected)
143 days awaySat, 16 Jan, 2027
Expected in January 2027 based on previous cycle
🏅Level 2 Exam 2026-27 (expected)
173 days awayMon, 15 Feb, 2027
For qualified Level 1 candidates; typically held Feb-March
Level 2 Result 2026-27 (expected)
201 days awayMon, 15 Mar, 2027
Expected in March 2027
Electricity
Electric current, Ohm's law, resistance, series/parallel circuits, heating effect, power.
Matter in Our Surroundings
States of matter, change of state, evaporation, latent heat, diffusion.
Is Matter Around Us Pure?
Mixtures, solutions, suspensions, colloids, separation techniques.
Atoms and Molecules
Laws of chemical combination, atomic/molecular mass, mole concept.
Structure of the Atom
Thomson, Rutherford, Bohr models, electron configuration, valency, isotopes.
Chemical Reactions and Equations
Balancing equations, types — combination, decomposition, displacement, redox.
Acids, Bases and Salts
pH, indicators, neutralisation, common salts, properties and uses.
Metals and Non-Metals
Physical/chemical properties, reactivity series, extraction, corrosion, alloys.
Carbon and its Compounds
Covalent bonding, allotropes, hydrocarbons, functional groups, soap and detergents.
Periodic Classification
Mendeleev's table, modern periodic law, periodic trends in groups and periods.
Cell — Fundamental Unit of Life
Cell structure, prokaryotic vs eukaryotic, organelles and their functions.
Tissues
Plant tissues — meristematic and permanent; animal tissues — epithelial, connective, muscular, nervous.
Diversity in Living Organisms
Five-kingdom classification, hierarchy, characteristics of major groups.
Why Do We Fall Ill
Health vs disease, infectious/non-infectious diseases, immunisation.
Natural Resources
Air, water, soil, biogeochemical cycles, pollution and conservation.
Improvement in Food Resources
Crop production, animal husbandry, plant breeding, sustainable agriculture.
Life Processes
Nutrition, respiration, transportation, excretion in plants and animals.
Control and Coordination
Nervous system, reflex action, hormones in animals and plants.
How Do Organisms Reproduce
Asexual and sexual reproduction, reproductive health, contraception.
Heredity and Evolution
Mendel's laws, sex determination, evolution, fossils, speciation.
Our Environment
Ecosystem, food chains/webs, ozone depletion, waste management.
Verbal Reasoning
Series, analogy, coding-decoding, classification with science context.
Non-Verbal Reasoning
Figure series, mirror images, embedded figures, pattern completion.
Scientific Reasoning
Experiment-based reasoning, cause-effect, hypothesis testing in PCB contexts.
Data and Chart Interpretation
Reading scientific tables, graphs, periodic trends and biological data.