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International Olympiad of Science (iOS)
We help students of class 1 to 10 in preparation of iOS exam and courses through sample question and practice papers.
About International Olympiad of Science (iOS)
The International Olympiad of Science, an exam which is known for its competence and knowledge in Science, is held every year at the National and International standards, it is based on the syllabus of CBSE/ICSE and the State Boards. Apart from syllabus, a part of exam paper is based on the Applied Science. We would suggest you to refer the books published by SilverZone for a good preparation of iOS.
iOS Syllabus and Marking Scheme
Level 1: Students of classes 1st to 12 are eligible to take part in Level 1
Level 2: Top 500 Olympiad rank holders of the 1st Level from each class will compete for top positions in a 2nd level examination. All Class 1st rank holders with minimum 75% of Marks with Minimum 75 Students from a particular school are also eligible for Level 2.
Level 3 : All the Rank Holders of classes 6th to 12th from 2nd level will be eligible for Level 3. Level 3 will be conducted at New Delhi, India.
iOS Exam Dates 2023-24
The Level 1 exam dates are 21st November 2023 and 15th December 2023.
iOS Exam Benefits
- Advance learning and competition.
- Awards and recognition.
- Competitive analysis.
For latest updates, please visit the official website at https://www.silverzone.org/ios/about
Check Class-wise Syllabus here:
Living and Non-Living Things, Human Body, Plants, Animals, Food We Eat, Clothes We Wear, Air and water, My Family and Relatives, Our Neighborhood, Good Habits and Safety Rules, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 1)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesLiving and Non-Living Things, Plants and Animals, Our Body, Food We Eat, Clothes We Wear, Water, Air, Weather and Seasons, Our Universe, Our Surroundings, Good and Bad Habits and Safety Rules, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 2)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesAnimal kingdom, Knowing Birds, Plants: Our Friends, Human Body, Matter, Environment and Atmosphere, Motion and Transport, Natural Resources, Our Universe, Our Safety and First Aid, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 3)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesPlants, Animals, Functioning of Human Body, Measurement, Matter and Materials, Force, Work and Energy, Our Environment, Our Universe, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 4)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesHuman Body and Nutrition, Plants, Animals, Housing, Soil, Rocks and Minerals, Work, Force, Energy and Simple Machines, Our Environment and Natural Calamities, Our Universe, Light and Sound, Matter, Mental Aptitude and Reasoning
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 5)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesFood, Fibre to Fabric, Grouping Materials and Their Separation, Changes Around Us, Living Organisms and Their Habitats, Body Movements, Motion and Measurement of Distances, Light, Shadow and Reflection, Electricity and Magnets, Environment, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 6)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesNutrition, Fibre to Fabric, Physical and Chemical Changes, Acids, Bases and Salts, Weather, Climate and Adaptations of Animals to Climate, Winds, Storms and Cyclones, Life Processes, Motion and Time, Electricity and Light, Our Environment, Mental Aptitude and Reasoning
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 7)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesCrop Production and Microorganisms, Materials, Coal and Petroleum, Conservation of Plants and Animals, Cell Structure and Functions, Reproduction, Force, Friction and Sound, Chemical Effects of Current and Light, Solar System and Some Natural Phenomenon, Pollution of Air and Water, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 8)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesMatter in Our Surroundings, Atoms and Molecules, Cells and Tissues, Diversity in Living Organisms, Force and Motion, Gravitation, Work, Energy and Sound, Why Do We Fall Ill, Natural Resources,Improvement in Food Resources, Mental Aptitude and Reasoning.
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 9)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test SeriesChemical Reactions and Acids, Bases and Salts, Metals and Non-Metals, Carbon and Its Compounds, Periodic Classification of Elements, Life Processes, Reproduction and Control and Coordination, Heredity and Evolution, Light and Human Eye, Electricity and Magnetic Effects of Electric Current, Sources of Energy and Natural Resources, Our Environment, Mental Aaptitude and Reasoning
What we Offer?
- Comprehensive Test Series: 60+ worksheets + 10+ mock test papers
- Mock Test Series: 10+ mock test papers (IOS Mock Test Papers are based on Previous Year question papers for Class 10)
* 20+ logical reasoning worksheets complimentary for every subscriber
Explore LIVE Classes Buy Test Series
