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Home Olympiads ISOCSEA

International Science Olympiad Competition of Southeast Asia

Registration Close Date 30th June 2026
Exam Date 19th July 2026

Overview

WHAT IS ISOCSEA?

The International Science Olympiad Competition of Southeast Asia, ISOCSEA for brevity, is an international competition in Science for Primary Levels and Secondary Levels. It aims to promote excellence and proficiency in popular Sciences (Biology, Chemistry, Physics, Environmental Science, Earth Science, Space Science and Astronomy) through friendly global competitions and to promote Southeast Asia’s tourism, with Philippines as the first destination, then Indonesia, Singapore, Malaysia, Myanmar, Brunei, Cambodia, Laos, Thailand, and Vietnam to other country partners worldwide.

THE ORGANISATION BEHIND ISOCSEA

ISOCSEA is organized by GLOBAL LEAGUE OF WINNERS, INC. or GLOW. It is a duly registered nonstock, nonprofit organization operating in Cebu City, Philippines, with a number of Ambassadors coordinating with its promotion and administration. It is also promoted worldwide by partner organizations in different countries.

ELIGIBILITY CRIETERIA

Kindergarten students and all levels in the Primary School (Grades 1 to 6) and all levels in the Secondary School (Grades 7 to 12) are eligible to join ISOCSEA. There is no pre-requisite in participating in this Olympiad.

Format Of The Test

Total No. of Questions: 25

Multiple Choice Question:20 (4 Points for Each Correct Answer)

Short Answer Questions:5 (6 Points to Each Correct Answer)

Total No. of Points / Marks: 100 points

No Negative / Deduction of points for Incorrect answer.

Test Duration:75 Minutes

Awards

National Round (locally administered in each country)

Higher 60% of the total number of participants shall qualify to the International Round and shall be entitled to one of these awards based on their scores:

96 — 100 points : Diamond Medal & Certificate
81 – 95 points : Gold Medal & Certificate
66 – 80 points : Silver Medal & Certificate
Remaining Participants : Bronze Medal & Certificate

Global Ranking:

Perfect Scorer – Cash
Champion – Trophy and Certificate
1st Runner Up – Trophy & Certificate
2nd Runner Up – Trophy & Certificate
3rd Runner Up – Trophy & Certificate
Lower 40% of the participants shall receive Honorable Mention Certificate

Syllabus

Elementary/Primary Levels (Grades 1 to 6)

The syllabus includes the following subject domains:

  • Biology :

    Animals and plants; human body systems; life stages and development; adaptations; food chain and food webs; seed dispersion and plant propagation.

  • Chemistry :

    Materials used in everyday life (properties and intended uses); observable changes in matters; salts; pollution effects; heating and cooling effects on materials (metals and nonmetals); food and household products.

  • Physics :

    Movement of gears; effects of motion; effects of temperature; electricity and electrical circuits;sound; and, simple machines.Earth and Environmental Sciences – seasons; direction of shadows; weather and clouds; rocks; wind,water, and air; food chain and food webs; weathering and erosion; land forms and water forms.

  • Space Sciences :

    Space phenomenon; phases of the moon; position of stars; solar system; heavenly bodies; and, meteorology.

Secondary Levels ( Grade 7 to 10)

The syllabus includes the following subject domains:

  • Biology :

    Cell organelles; cell transport; cell division; DNA and protein synthesis; from molecules to organisms; mutations; population genetics; cell respiration; photosynthesis; ecology; evolution; population genetics; inheritance and variation of traits; evolution and natural selection; taxonomy; energy and dynamics.

  • Chemistry :

    Matter and its properties; measurements; atoms, molecules and ions; stoichiometry; gas laws; electronic structure of atoms;electronic structure and periodicity; chemical bonding & ionic bonds; covalent bonds; organic compounds; intermolecular forces, liquids and gases; physical properties of solution; thermochemistry; chemical kinetics; chemical thermodynamics; chemical equilibrium; acid,base, salts equilibria; electrochemistry.

  • Physics :

    Units and Measurement; Vectors and Projectiles; Kinematics; Newton’s Laws; Forces in Two Dimensions; Work, Energy and Power; Center of Mass, Momentum, Impulse and Collisions; Rotational Equilibrium and Rotational Dynamics; Gravity; Periodic Motion;Mechanical Waves and Sounds; Fluid Mechanics; Temperature and Heat; Ideal Gases and Laws of Thermodynamics; Static Electricity;Electric Circuits; Light and Color; Reflection and Mirrors; Refraction and Lenses.

  • Earth and Environmental Sciences :

    Origin and structure of the earth; plate tectonics; earth materials and processes; natural hazards,mitigation, and adaptation; history of the earth; geology, minerals and energy; the scientific method; ecology; the biosphere; climate,hydrosphere and atmosphere; population; the land, forests and soil; water resources and water pollution; energy and resources; societies and policy; sustainability and the human endeavor; waste management

  • Space Sciences :

    formation of the universe; universe; galaxies; the big bang; black holes; space explorations; solar system; earth moon system; earth in the solar system; measuring distances in the solar system and beyond; parallax and distance to asteroids; weather;planetology; comparing planets and stars; cosmic scale and cosmic address; space geology; space life; and space medicine.

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