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INTERNATIONAL OLYMPIAD OF SCIENCE (IOS)

International Olympiad of Science

The International Olympiad of Sciences (IOS) is a yearly test arranged by the SilverZone Foundation. It's made to see how well students understand and do in Science. This big contest is open to students studying Science in schools in India and worldwide. It gives them a chance to compare their skills on a global level. The IOS test covers topics taught on school boards like CBSE, ICSE, and state boards. It aims to make students better at Science. But more than just winning, the contest wants to help build a strong base in Science. Being part of IOS helps students think critically, solve problems, and understand Science deeply. These skills are important for doing well in studies and jobs later on.

A great thing about IOS is that students get a detailed report after the test. This report tells them where they're strong and where they can improve. It helps them see how they can become better at Science. By knowing their strengths and areas to work on, students can plan how to grow in their studies and life. Ultimately, the International Olympiad of Science gives young science fans the skills they need to succeed in school and beyond.

1.0International Olympiad of Science(IOS) - Exam Highlights

Exam Name

International Olympiad of Science (IOS)

Mode of Exam

Online

Medium of Exam

English

Level of Exam

Intermediate

Duration of Exam

40 minutes

Type of Questions

MCQs (Multiple Choice Questions)

Negative Marking

No Negative Marking

Conducting Body

SilverZone Foundation

2.0IOS 2024 Exam Dates

It's essential to stay updated on the latest dates announced by Silverzone for the International Olympiad of Science and related events. There will be two dates for the exam announced by the officials. For your reference, we have provided the following table:

Name of Events

Important Dates of the IOS 2024

Last Date of Registration of the IOS 2024

31st August 2024

First Date of IOS 2024 Olympiad

13th November 2024 (Wednesday)

Second Date of IOS 2024 Olympiad

05th December 2024 (Thursday)

Result of IOS 2024 Olympiad Level 1

To be Notified

Result of IOS 2024 Olympiad Level 2

To be Notified

3.0IOS Eligibility Criteria

Level 1:

  • Open to all students in grades 1 through 12.

Level 2:

  • Only available to students who participated in Level 1.
  • The top 1,000 ranked students from Level 1, who scored at least 50%, are eligible.
  • Exception for Grade 1: Students who placed first in Grade 1 with a score of at least 75% and whose school had at least 100 other students in that grade level may also qualify for Level 2.

Level 3:

  • The program is only available to students who competed in Level 2 and ranked first in their grade levels (6th-12th).

4.0IOS Syllabus and Exam Pattern

Idea of the syllabus and exam pattern is crucial for shaping your preparation strategy for the SilverZone Olympiads. It not only helps you focus your studies effectively but also allows you to familiarize yourself with the exam format.

The latest exam pattern and syllabus have been released by the officials, including the list of important topics, number of questions, and marking schemes.

However, it's important to note that the final marking distribution may vary depending on the choices made by the test paper creators. Please find the updated IOS Exam Syllabus and exam pattern for classes 1 to 12 here:

IOS Class 1

Unit

Chapter

No. of Question

Marks

Total Marks

Living & Non-Living Things

Living & Non-Living Things

2

3.5

7

Plants and Animals

Plants; Animals

5

3.5

17.5

Food and Clothes

Food we eat; Clothes we wear

2

3.5

7

Our Environment

Air; Water & its Resources

2

3.5

7

Our Surroundings

Our Family & Neighbourhood Safety Rules

2

3.5

7

Human Body

Human Body

2

3.5

7

Reasoning and Aptitude

Reasoning and Aptitude

5

4

20

Scholar’s Zone

Scholar’s Zone

5

5.5

27.5

Total:

25


100



IOS Class 2

Unit

Chapter

No. of Question

Marks

Total Marks

Living & Non-Living Things

Living & Non-Living Things

2

3.5

7

Plants and Animals

Plants; Animals

4

3.5

14

Food and Clothes

Food we eat; Clothes we wear

3

3.5

10.5

Our Environment

Air; Water & its Resources

2

3.5

7

Our Surroundings

Our Family & Neighbourhood Safety Rules

2

3.5

7

Human Body

Human Body

2

3.5

7

Reasoning and Aptitude

Reasoning and Aptitude

5

4

20

Scholar’s Zone

Scholar’s Zone

5

5.5

27.5

Total:


25


100



IOS Class 3:

Unit

Chapter

No. of Question

Marks

Total Marks

Living & Non-Living Things

Living & Non-Living Things

2

3

6

Plants and Animals

Plant Kingdom

6

3

18

Animal Kingdom

Matter, Motion, and Transport

Matter and Motion

4

3

12

Transport

Communication and Safety Rules

Environment and Universe

Our Environment, Air, Water and Weather, Our Universe

5

3

15

Our Body

Our Body

3

3

9

Reasoning and Aptitude

Reasoning and Aptitude

5

3.5

17.5

Scholar’s Zone

Scholar’s Zone

5

4.5

22.5

Total:


30


100



IOS Class 4:

Unit

Chapter

No. of Question

Marks

Total Marks

Human Body

Functioning of the Human Body

3

3

9

Rocks and Soil

Rocks

2

3

6

Minerals and Soil

Environment and Universe

Our Environment

4

3

12

Universe

Plants and Animals

Plant Kingdom

6

3

18

Animal Kingdom

Work, Force, and Energy

Work, Force, and Energy

3

3

9

Matter

Matter

2

3

6

Reasoning and Aptitude

Reasoning and Aptitude

5

3.5

27.5

Scholar’s Zone

Scholar’s Zone

5

4.5

22.5

Total:


30


100



IOS Class 5:

Unit

Chapter

No. of Question

Marks

Total Marks

Matter

Matter

2

3

6

Environment and Natural Calamities

Our Environment

4

3

12

Natural Calamities

Housing

Plants and Animals

Plants

6

3

18

Animals

Light and Sound

Light and Sound

2

3

6

Our Body and Nutrition

Our Body and Nutrition

3

3

9

Work and Energy

Work, Force, Energy, and Simple Machines

3

3

9

Reasoning and Aptitude

Reasoning and Aptitude

5

3.5

17.5

Scholar’s Zone

Scholar’s Zone

54.5

22.5


Total:


30


100


IOS Class 6:

Unit

Chapter

No. of Question

Marks

Total Marks

Food

Components of Food

2

2.5

5

Materials

Sorting Materials into Groups

4

2.5

10

Living World

Body Movements

6

2.5

15

Getting to Know Plants

The Living Organisms-Characteristics and Habits

Motion and Measurement

Motion and Measurement of distances

2

2.5

5

How Things Works

Electricity and Circuits

7

2.5

17.5

Fun and Magnets

Light

Air

Air Around Us

2

2.5

5

Reasoning and Aptitude

Reasoning and Aptitude

7

3

21

Scholar’s Zone

Scholar’s Zone

5

4.3

21.5

Total:


30


100


IOS Class 7:

Unit

Chapter

No. of Question

Marks

Total Marks

How Stuff Works

Light

6

2.5

15

Electric Current and its Effects

Living World

Respiration

6

2.5

15

Transportation in Plants and Animals

Reproduction in Plants

Materials

Heat

6

2.5

15

Acid, Bases and Salts

Physical and Chemical Changes

Natural Resources

Wastewater Story

2

2.5

5

Forest

Food

Nutrition in Plants

3

2.5

7.5

Nutrition in Animals

Reasoning and Aptitude

Reasoning and Aptitude

7

3

21

Scholar’s Zone

Scholar’s Zone

5

4.3

21.5

Total:


35


100


IOS Class 8:

Unit

Chapter

No. of Question

Marks

Total Marks

Food

Crop Production

4

2.5

10

Microorganism

How Stuff Works

Force and Pressure

8

2.5

20

Friction

Light

Sound

Chemical Effects of Electric Current

Living World

Reproduction in Animals

6

2.5

15

Reaching the Age of Adolescence

Conservation of Plants and Animals

Materials

Coal and Petroleum

3

2.5

7.5

Combustion and Flame

Natural Phenomena

Some Natural Phenomena

2

2.5

5

Reasoning and Aptitude

Reasoning and Aptitude

7

3

21

Scholar’s Zone

Scholar’s Zone

5

4.3

21.5

Total:


35


100


IOS Class 9:

Unit

Chapter

No. of Question

Marks

Total Marks

Matter

Matter in Our Surroundings

3

2

6

Is Matter Around Us Pure

Atoms & Molecules

Atoms and Molecules

5

2

10

Structure of Atom

Living World

Cell

5

2

10

Tissues

Food

Improvement in Food Resources

2

2

4

Force & Motion

Motion

6

2

12

Force and Laws of Motion

Work & Energy

Work and Energy

4

2

8

Sound

Reasoning and Aptitude

Reasoning and Aptitude

10

3

30

Scholar’s Zone

Scholar’s Zone

5

4

20

Total:


40


100


IOS Class 10:

Unit

Chapter

No. of Question

Marks

Total Marks

Chemical Elements and Their Properties

Chemical Reactions and Equations

8

2

16

Acids, Bases and Salts

Metals and Non-Metals

Carbon and Its Compound

Life Processes

Life Processes

6

2

12

Control and Coordination

Reproduction

Heredity and Evolution

Heredity

2

2

4

Light and Electricity

Reflection of Light

8

2

16

Refraction of Light

Human Eye

Electricity

Magnetic Effect of Electric Current

Environment

Environment

1

2

2

Reasoning and Aptitude

Reasoning and Aptitude

10

3

30

Scholar’s Zone

Scholar’s Zone

5

4

20

Total:


40


100


IOS Class 11 (PCB):

Subject

Chapter

No. of Question

Marks

Total Marks

Physics

Unit and Measurement

10

2.5

25

Kinematics

Laws of Motion

Work, Energy, and Power

Motion of System of Particles and Rigid Body

Gravitation

Properties of Bulk Matter

Thermodynamics

Behaviour of Perfect Gases and Kinetic Theory

Oscillations and Waves

Chemistry

Some Basic Concepts of Chemistry

10

2.5

25

Structure of Atom

Classification of Elements and Periodicity in Properties

Chemical Bonding and Molecular Structure

Thermodynamics

Equilibrium

Redox Reactions

Organic Chemistry – Some Basic Principles and Techniques

Hydrocarbons

Reasoning and Aptitude

Reasoning and Aptitude

10

2.5

25

Biology

Diversity in the Living World

10

2.5

25

Structural Organisation in Plants and Animals

Total:


40


100


IOS Class 11 (PCM):

Subject

Chapter

No. of Question

Marks

Total Marks

Physics

Unit and Measurement

10

2.5

25

Kinematics

Laws of Motion

Work, Energy, and Power

Motion of System of

Particles and Rigid Body

Gravitation

Properties of Bulk Matter

Thermodynamics

Behaviour of Perfect

Gases and Kinetic Theory

Oscillations and Waves

Chemistry

Some Basic Concepts of Chemistry

10

2.5

25

Structure of Atom

Classification of Elements and Periodicity in Properties

Chemical Bonding and Molecular Structure

Equilibrium

Redox Reactions

Organic Chemistry – Some Basic Principles and Techniques

Hydrocarbons

Mathematics

Sets and Function

10

2.5

25

Algebra

Coordinate Geometry

Calculus

Statistics and Probability

Reasoning and Aptitude

Reasoning and Aptitude

10

2.5

25

Total:


40


100


IOS Class 12 (PCB):

Subject

Chapter

No. of Question

Marks

Total Marks

Physics

Electrostatics

10

2.5

25

Current Electricity

Magnetic Effects of Current and Magnetism

Electromagnetic Induction and Alternating Currents

Electromagnetic Waves

Optics

Dual Nature of Matter and Radiation

Atoms and Nuclei

Electronic Devices

Chemistry

Solutions

10

2.5

25

Electrochemistry

Chemical Kinetics

The d and f Block Elements

Coordination Compounds

Organic Compounds Containing Halogens (Haloalkanes and Haloarenes)

Organic Compounds Containing Oxygen (Alcohols, Phenols, Ethers, Aldehydes, Ketones and Carboxylic Acids)

Organic Compounds Containing Nitrogen (Amines)

Biomolecules

Reasoning and Aptitude

Reasoning and Aptitude

10

2.5

25

Biology

Reproduction

10

2.5

25

Genetics and Evolution

Biology and Human Welfare

Biotechnology

Ecology

Total:


40


100


IOS Class 12 (PCM):

Subject

Chapter

No. of Question

Marks

Total Marks

Physics

Electrostatics

10

2.5

25

Current Electricity

Magnetic Effects of Current and Magnetism

Electromagnetic Induction and Alternating Currents

Electromagnetic Waves

Optics

Dual Nature of Matter and Radiation

Atoms and Nuclei

Electronic Devices

Chemistry

Solutions

10

2.5

25

Electrochemistry

Chemical Kinetics

The d and f Block Elements

Coordination Compounds

Organic Compounds Containing Halogens (Haloalkanes and Haloarenes)

Organic Compounds Containing Oxygen (Alcohols, Phenols, Ethers, Aldehydes, Ketones and Carboxylic Acids)

Organic Compounds Containing Nitrogen (Amines)

Biomolecules

Mathematics

Relation and Function

10

2.5

25

Algebra

Calculus

Vectors and Three-Dimensional Geometry

Linear Programming

Probability

Reasoning and Aptitude

Reasoning and Aptitude

10

2.5

25

Total:


40


100

5.0IOS Test Duration

The test will be in English only, and it is for students in first through 12th grade. Here's what you can expect:

  • For Classes 1-2: There will be 25 questions, and you'll have 40 minutes.
  • Classes 3-5: There will be 30 questions and 40 minutes to complete them.
  • For Classes 6-8: There will be 35 questions, and you'll have 40 minutes as well.
  • For Classes 9-12: There will be 40 questions, and you'll get 50 minutes.

Along with the question papers, you'll receive all the specific instructions. From 3rd grade onwards, you will have OMR answer sheets.

There will be multiple-choice answers to the questions. You don't have to worry if you guess wrong - there are no penalties!

6.0Register for the International Olympiad of Science (IOS)

Ready to challenge yourself and compete against the best? Here's how to apply for the International Olympiad in Science (IOS):

  • Visit the IOS Registration Portal.
  • Enter your unique School Code to access your school's dedicated registration page.
  • Provide your school details and basic personal information in the form.
  • Select the Olympiad Exam you want to participate in: Biology, Chemistry, Physics, or Computer Science.
  • Read and accept the Terms & Conditions before proceeding.
  • Make sure all your details are correct before moving on to payment.
  • Securely pay the 10 USD fee online to finalize your registration.

7.0IOS 2024 Result

The online announcement of the IOS 2024-25 Level 1 exam results will be available on the official website. Successful candidates will advance to the IOS 2024-25 Level 2 exam. The Level 3 examination is going to be held in May/June 2025(Tentative), and its results are anticipated to be revealed by August/September 2025(Tentative).

8.0IOS 2024 Rankings and Rewards

Curious about IOS 2024 Rankings and Rewards? Here's what you need to know about the rankings and the exciting rewards awaiting the International Olympiad in Science for 2024 participants.

IOS 2024 Level 3 Rewards:

The top two students from each subject have an exciting opportunity for an educational excursion abroad for the Math & Science Olympiad, including a visit to NASA in the USA.

IOS 2024 Level 2 Rewards:

IOS 2024 Level 2 Rewards

Ranks

Rewards

Rank 1

1 Olympiad rank Holder will be awarded a cash prize of:

Class 12:- Rs. 50,000/-

Class 11:- Rs. 25,000/-

Class 1 to 10:- Rs. 10,000/-

Rank 2

2 Olympiad Rank Holders in each will be awarded a cash prize of:

Class 11 & 12:- Rs. 10,000/-

Class 1 to 10:- Rs. 7,500/-

Rank 3

3 Olympiad Rank Holders in each will be awarded a cash prize of:

Class 11 & 12:- Rs. 7,500/-

Class 1 to 10:- Rs. 5,000/-

IOS 2024 Level 1 Rewards

Ranks

Rewards

Rank 1 to 3

All zonal and state rank holders from each class 1st to 12th will be awarded with Medals of Excellence.

Rank 4 to 10

Rank holders from each class 1st to 12th will be awarded with Gift Certificates of different values.

Rank 11 to 25

Rank holders from each class 1st to 12th will be awarded with Gift Certificates of different values.

Rank 26 to 500

Rank holders from each class 1st to 12th will be awarded a Topper Achievement Certificate.

1st, 2nd 3rd Class Topper

1st, 2nd 3rd rank holders of every class of each school will be awarded with Medals of Excellence, provided the topper obtains at least 50% marks

All

All the participants from each class, 1st to 12th, will be awarded a participation Certificate Reflecting their Class/Zonal/State/Olympic Rank and Marks.

  • Level 1 and Level 2 Prizes will be determined based on results from Level 1 and interviews, whether conducted in person or remotely via audio or video.
  • If up to 10 students achieve the same rank, they will equally split the prize money.
  • Each winner will receive a Gold Medal of Excellence and a Certificate in their respective category.
  • If 11 or more students share the same rank, each winner will be awarded a Medal of Excellence and a Certificate in their category instead of cash prizes.

9.0Preparation Tips for the IOS Exam

To excel in the Olympiad exams, students can follow these helpful tips:

  • Begin your preparations early by creating a study plan and sticking to it.
  • Participate in weekly and monthly Olympiads to become familiar with the exam format.
  • Ensure that all topics are covered by reviewing the syllabus thoroughly.
  • Set daily study goals and maintain consistency in your efforts.
  • Gain a comprehensive understanding of the entire syllabus to start your preparations ahead of time.
  • Practice regular revisions and attempt practice tests to reinforce your knowledge.
  • Solve sample papers from previous years to understand the exam pattern and question types.

IOS FAQ

Students from classes 1-12 can take the IOS exam.

Level 1 and Level 2 Prizes are based on results and interviews. If up to 10 students achieve the same rank, they equally split the prize. Each winner receives a Gold Medal of Excellence and a Certificate. If 11 or more students share the same rank, they receive a Medal of Excellence and a Certificate instead of cash prizes.

IOS 2024 Level 1 exam results will be announced in January 2024 (Tentative) on the official website.

To prepare for the IOS 2024 exam, students should begin early, participate in practice tests, thoroughly review the syllabus, set daily study goals, gain a comprehensive understanding of the syllabus, practice regular revisions, and solve sample papers from previous years.

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