International Science Olympiad [ISO] Syllabus 2023

The International Science Olympiad exam has a syllabus related to all of the science concepts taught in the school. NSITO Syllabus is mostly on science subjects like chemistry and physics for higher classes and basic biology topics for respective classes. The science part has a total of 3 sections, the subjective part, HOT’s (high order thinking section), and the logical reasoning section. 

ISO Exam Pattern 2023-24

International Science Olympiad questions will be from the current class syllabus and the following chapters listed. All of the questions are for 1 mark each. No marks will be reduced for wrong answers or unattempted questions.

For classes 1 to 4

For Classes 5 to 10

 ISO 2023-24 Syllabus

All of the chapters and topics mentioned are framed from subjects like physics, chemistry, botany, zoology, and the environment. The syllabus for various classes is given below.

• ISO Syllabus for Class 1
• ISO Syllabus for Class 2
• ISO Syllabus for Class 3
• ISO Syllabus for Class 4
• ISO Syllabus for Class 5
• ISO Syllabus for Class 6
• ISO Syllabus for Class 7
• ISO Syllabus for Class 8
• ISO Syllabus for Class 9
• ISO Syllabus for Class 10

ISO Syllabus for Class 1

The following chapters are given below covered for the students of class 1.

• Me & my body
• Plants around us
• Animals around us
• Living and non-living
• Our needs
• Good habits
• Earth and sky
• Transport
• Logical Reasoning

ISO Syllabus for Class 2

The following chapters are given below covered for the students of class 2.

• Festival and celebration
• The night sky
• Food, clothing, and shelter
• Transport and communication
• Know your body
• Occupation
• Good habits and safety rule
• Plants around us
• Animals around us
• Air, water, and weather
• Logical Reasoning

ISO Syllabus for Class 3

The following chapters are given below covered for the students of class 3.

• Food
• Transport and communication
• Housing and clothing
• Birds
• Plants
• Animals
• Living and non-living
• Human body
• Weather and sky
• Light and sound
• Logical Reasoning

ISO Syllabus for Class 4

The following chapters are given below covered for the students of class 4.

• States of matter
• Birds
• Clothing
• Animals
• Earth and its neighbors
• Our body
• Plants
• Environment
• Food
• Logical Reasoning

ISO Syllabus for Class 5

The following chapters are given below covered for the students of class 5.

• States of matter
• Environment and us
• Busy at work - our internal organs
• Community and health hygiene
• Force, work, and energy
• Solar system
• Natural resources
• Fuels and energy
• All about crop
• Sense and emotion
• Disease and its prevention
• Logical Reasoning

ISO Syllabus for Class 6

The following chapters are given below covered for the students of class 6.

• Separation of mixtures
• Changes around us
• Magnetism
• Movement in living beings
• Food and nutrition
• Classification of materials
• Light
• Electric circuits
• Motion
• Living organism and its classification
• Substances in daily use
• Air
• Measurement and distance
• Logical Reasoning

ISO Syllabus for Class 7

The following chapters are given below covered for the students of class 7.

• Natural resources and calamities
• Wastewater management
• Reproduction in living things
• Classification of substances
• Light propagation
• Water
• Organization of living things
• Circulation
• Acids, bases, and salts
• Heat
• Adaptation
• Food
• Control and coordination
• Electricity
• Sound and its propagation
• Logical Reasoning

ISO Syllabus for Class 8

The following chapters are given below covered for the students of class 8.

• Biological diversity
• Disease
• Structure of cell
• Metal and non-metal
• Air and its pollution
• Atmospheric pressure
• Chemical reaction
• Light
• Properties of substance
• Respiration
• Stars and our solar system
• Structure of an atom
• Energy and its forms
• Soil and agriculture
• Logical Reasoning

ISO Syllabus for Class 9

The following chapters are given below covered for the students of class 9.

• Matter and its properties
• Life around us
• Food and health
• Energy and work
• Music
• Fiction and force
• Gravitation
• Sun
• Reproduction
• Crop and its management
• Unit of life
• Motion and its laws
• Solid waste management
• Logical Reasoning

ISO Syllabus for Class 10

The following chapters are given below covered for the students of class 10.

• Acid, base, and salt
• Life's internal secret
• How do organisms reproduce
• Wonders of life
• Metals and non-metals
• Regulators
• Electromagnetism
• School of element
• The amazing world of carbon compound
• Mapping of genes
• Our environment and management
• Logical Reasoning