Dear Students, Parents and Supervisors.

We are happy to introduce our Natural Science Olympiad. This Olympiad has 2 Rounds: Online Elimination Round and Global Round.

Students can register themselves through our website, or by contacting their country representatives. The registration deadline is November 20, 2022. Students starting from grade 3 can participate in this Olympiad.

The Online Elimination Round will be held on the following dates: September 24, October 29, and November 26, 2022. The exam will have 25 multiple choice questions. Exam will start at 10am (local time) and will last 60 minutes. Students need to choose only one Elimination Round to participate.

To qualify for the Global Round which will be held physically between January 22 and 26, 2023 in Houston, students need to score 40% and higher in the Online Elimination Round.

Students will be given Certificate of Participation in the Online Elimination Round, Certificate of Achievement in the Online Elimination Round and Medals according to the following progress:

-40% – 74% – Bronze Medal

-75% – 90% – Silver Medal + 5% off in the Global Round

-91% – 100% – Gold Medal + 10% off in the Global Round

***Hard copies of Medals will be distributed after the Global Round.

The Syllabus of the Olympiad is as follows:


Parts of a Plant

Life cycle of a Plant

Classification of Animals

How Animals Live & Grow?

Body parts



The Rock Cycle


Our Solar System


Properties of Matter

Category I Topics

Earth and Space

Water and Weather



Environmental Changes

The Human Body

Chemical & Physical Changes of a matter

Energy and Its Transformations


Force, Motion, and Acceleration

Matter, Atoms, and Elements

Organization in the Environment

Category II Topics

Energy: Sound and Light

Kinetic and Potential Energy

Laws of Thermodynamics

Earth Structures


Earthquakes and Volcanoes

Ecology and Ecosystems

Extinct and Endangered Animals


Energy Flow in the Ecosystem

Natural Selection and Adaptations

Heredity and Reproduction

Our Solar System

Spectroscopy and EM Spectrum

Category III Topics

Motion, Acceleration and Forces
Work and Energy
Electricity and Magnetism
Energy Sources and the Environment
Sound and Light
Mirrors and Lenses
Earth’s Changing Surface
Weather and Climate
Solids, Liquids and Gases
Periodic Table
Elements and their Properties
The Earth and its satellite
The Solar System
Stars and Galaxies
Natural resources
Human impacts on the environment
Organism growth and reproduction
Photosynthesis in organisms
Food and energy in organisms

Category IV Topics

Biogeochemical cycles

Changes to ecosystems

Population growth

Plate tectonics

Effects of land and water use

energy resources and consumption

Air pollution

Aquatic and terrestrial pollution

Greenhouse effect

Forces and motion

Wave properties

Electromagnetic radiation

Uniform circular motion and gravitation

Linear momentum and collisions

DC Circuits

Atomic models

s, p, d, f subshells

Chemical bonding and molecular structure

States of matter

Please find below past exam papers



Students will receive the followings:
-Certificate of Participation in Online Elimination Round (Digital Certificate),
-Achievement Medals in the Online Elimination Round (Gold, Silver and Bronze)
-Certificate of Participation in Global Round (Paper Certificate),
-Certificate of Achievement: Gold, Silver, Bronze, Honorable Mention (Paper Certificate)
-Achievement Medals: Gold, Silver and Bronze (Based on their performance)

Gold, Silver and Bronze medals in the Global Round will be awarded based on the following percentages:
⁃ The top 10% will receive a Gold Medal
⁃ The top 11-30% will receive a Silver Medal
⁃ The top 31-60% will receive a Bronze Medal
⁃ The top 61-75% will receive an Honorable Mention Certificate

Moreover top three students of each category of Global Round will get special prizes listed below:

Register now and experience unforgettable moments.