SOF ISO Syllabus 2026-27 PDF (Level 1 & Level 2): Class-Wise Syllabus for Classes 1 to 12

Syllabus name

SOF International Science Olympiad (ISO) Syllabus

Conducting body

Science Olympiad Foundation (SOF)

Academic session

2026-27

Syllabus availability

Level 1 and Level 2

Classes eligible for Level 1

Classes 1 to 12

Classes eligible for Level 2

Classes 3 to 12

Question type

Multiple Choice Questions (MCQs)

Level 1 exam dates

October 30, November 19 and December 3, 2026

Level 2 exam dates

To be announced

ISO syllabus download website

sofworld.org

1

Achievers Section

5

2

10

2

Science

25

1

25

3

Logical Reasoning

5

1

5

Grand Total

35

40

1

Achievers Section

5

3

15

2

Science

35

1

35

3

Logical Reasoning

10

1

10

Grand Total

50

60

1

Achievers Section

5

3

15

2

Physics & Chemistry

25

1

25

3

Mathematics/Biology

20

1

20

Grand Total

50

60

Science

30

1

30

Achievers Section

5

2

10

Grand Total

35

-

40

Science

45

1

45

Achievers Section

5

3

15

Grand Total

50

60

Physics & Chemistry

25

1

25

Achievers Section

5

3

15

Mathematics/Biology

20

1

20

Grand Total

50

60

Class 1

Patterns, Odd One Out, Measuring Units, Geometrical Shapes, Spatial Understanding, Grouping of Figures, Analogy, Ranking Test

Living and Non-living Things, Plants, Animals, Human Beings and Their Needs, Good Habits and Safety Rules, Air and Water, Weather and The Sky

Class 2

Patterns, Odd One Out, Geometrical Shapes, Analogy, Ranking Test, Embedded Figures, Coding-Decoding

Plants, Animals, Human Body, Food, Housing and Clothing, Family and Festivals, Transport and Communication, Air, Water and Rocks, Earth and Universe

Class 3

Analogy and Classification, Alphabet Test, Coding-Decoding, Ranking Test, Figure Matrix, Mirror Images, Clock and Calendar

Plants and Animals, Birds, Human Body, Matter and Materials, Light, Sound and Force, Earth and Universe, Environment

Class 4

Alphabet Test, Coding-Decoding, Ranking Test, Mirror Images, Direction Sense Test, Analogy and Classification, Clock and Calendar

Plants, Animals, Food and Digestion, Human Needs, Matter and Materials, Force, Work and Energy, Environment, Earth and Universe

Class 5

Analogy and Classification, Mirror and Water Images, Direction Sense Test, Logical Sequence of Words, Puzzle Test, Coding-Decoding

Animals, Human Body and Health, Plants, Natural Resources and Indian Heritage, Pollution and Calamities, Earth and Universe, Matter and Materials, Force and Energy

Class 6

Verbal and Non-Verbal Reasoning

Food and Its Components, Materials Around Us, States of Water, Methods of Separation, Living World, Magnets, Motion and Measurement, Temperature, Beyond Earth, Natural Resources

Class 7

Verbal and Non-Verbal Reasoning

Life Processes in Plants and Animals, Acids, Bases and Salts, Metals and Non-metals, Adolescence, Heat Transfer, Physical and Chemical Changes, Electricity, Light, Earth-Moon-Sun

Class 8

Verbal and Non-Verbal Reasoning

Microorganisms, Health and Diseases, Matter, Elements and Compounds, Forces, Solutions, Electricity, Light, Earth Science, Winds and Cyclones

Class 9

Verbal and Non-Verbal Reasoning

Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter, Atoms and Molecules, Cell, Tissues, Diversity in Living Organisms, Health and Diseases

Class 10

Verbal and Non-Verbal Reasoning

Chemical Reactions, Acids, Bases and Salts, Metals and Non-metals, Carbon Compounds, Life Processes, Heredity, Light, Human Eye, Electricity, Magnetic Effects of Current, Environment

Physics

Units and Measurements, Mechanics, Properties of Matter, Heat and Thermodynamics, Oscillations, Waves

Chemistry

Basic Concepts of Chemistry, Structure of Atom, Periodicity, Chemical Bonding, Thermodynamics, Equilibrium, Redox Reactions, Organic Chemistry, Hydrocarbons

Mathematics (PCM)

Sets, Relations and Functions, Logarithms, Mathematical Induction, Complex Numbers, Linear Inequalities, Sequences and Series, Trigonometry, Conic Sections, Permutations and Combinations, Binomial Theorem, Statistics, Limits and Derivatives, Probability, 3-D Geometry

Biology (PCB)

Diversity in the Living World, Structural Organisation in Plants and Animals, Cell Structure and Functions, Plant Physiology, Human Physiology

Physics

Electricity and Magnetism, Electromagnetic Induction, Alternating Current, Electromagnetic Waves, Optics, Modern Physics, Semiconductor Electronics

Chemistry

Solutions, Electrochemistry, Chemical Kinetics, d- and f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, Amines, Biomolecules

Mathematics (PCM)

Relations and Functions, Inverse Trigonometric Functions, Matrices, Determinants, Continuity and Differentiability, Application of Derivatives, Integrals, Differential Equations, Vector Algebra, Three-Dimensional Geometry, Linear Programming, Probability

Biology (PCB)

Reproduction, Genetics and Evolution, Biology in Human Welfare, Biotechnology, Ecology