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Silverzone International Olympiad of Science
Silverzone integrated PCB olympiad for school students with reasoning and an Achievers Section.
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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?
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10 questions across the syllabus to see where you stand.
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SZF IOS — Quick Practice
FULL30 questions · 60 min
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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.
Top 10-25 Nationally — Elite
98–100% · Post-based exam (no numeric rank)
International Rank Zone
93–97% · Post-based exam (no numeric rank)
National Top Performers
86–92% · Post-based exam (no numeric rank)
State/Regional Rank Holder
76–85% · Post-based exam (no numeric rank)
Zonal Excellence
61–75% · Post-based exam (no numeric rank)
School Level Merit
41–60% · 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.
Silverzone Foundation has opened registration for iOS 2026-27 session. Schools can register students through August 31, 2026. Individual participation is not accepted; registration must be through school coordinators.
Silverzone has announced three exam date options for IOS 2026-27: October 8, November 18, and December 7, 2026. Schools can select any one date for conducting the Olympiad during school hours.
The Level 2 results for iOS along with iOM and iOEL are expected to be announced during March-April 2026. Top performers from Level 2 will qualify for Level 3 in New Delhi.
The Silverzone Foundation declared the International Olympiad of Science (iOS) Level 1 results on January 16, 2026. Students can check their results at silverzone.org using enrollment number and access code.
Registration deadline for IOS 2026-27
52 days awayMon, 31 Aug, 2026
Schools must complete student registration through silverzone.org by this date
🏅IOS Level 1 Exam Date Option 1
90 days awayThu, 8 Oct, 2026
First available exam date (October 8, 2026); schools select one date
🏅IOS Level 1 Exam Date Option 2
131 days awayWed, 18 Nov, 2026
Second available exam date (November 18, 2026)
🏅IOS Level 1 Exam Date Option 3
150 days awayMon, 7 Dec, 2026
Third available exam date (December 7, 2026)
Answer key release for IOS 2026-27 Level 1
180 days awayWed, 6 Jan, 2027
Answer key typically released within 30 days after final exam date
IOS Level 1 Result declaration
190 days awaySat, 16 Jan, 2027
Expected in January 2027 based on previous cycle pattern
Click any topic to read study notes
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.
Light — Reflection and Refraction
Spherical mirrors, mirror formula, refraction laws, lenses, lens formula, magnification.
Human Eye and Colourful World
Eye structure, defects of vision, refraction through prism, dispersion, scattering.
Electricity
Electric current, Ohm's law, resistance, series/parallel circuits, heating effect, power.
Magnetic Effects of Current
Magnetic field, Oersted experiment, solenoid, electromagnetic induction, AC vs DC.
Sources of Energy
Conventional and non-conventional sources, solar, wind, nuclear, biomass.
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.
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.
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.
🏅IOS Level 2 Exam
235 days awayTue, 2 Mar, 2027
For top 1000 rank holders (ranks 4-1003) with minimum 50% marks
🏅IOS Level 3 Exam (New Delhi)
325 days awayMon, 31 May, 2027
International-level final for Level 2 rank 1 holders from Classes 6-12
Acids, Bases and Salts
pH, indicators, neutralisation, common salts, properties and uses.
Metals and Non-Metals
Physical/chemical properties, reactivity series, extraction, corrosion, alloys.
Improvement in Food Resources
Crop production, animal husbandry, plant breeding, sustainable agriculture.