The objective of SLJSO is to promote interest in science among school students, exposing them to problem-solving, critical thinking and experimentation and to select best students to represent the International Junior Science Olympiad (IJSO) annually. The Institute of Physics Sri Lanka has made arrangements to hold the national competition (SLJSO) annually. The SLJSO is open for science students who are sixteen years or younger on 31st December of the competition year. The competition shall be conducted in Sinhala/English/Tamil media on a date decided by IPSL. The examination paper shall consist of 50, Multiple Choice Questions based on physics, chemistry, biology, and Mathematics taught at 6- 11 level syllabuses in Sri Lanka. Based on performance at SLJSO, Gold, Silver, Bronze Medals with a certificate will be awarded to the contestants. The best-selected contestants may represent the International Junior Science Olympiad with the guidance and support from the Institute of Physics.

Examination date: 2019-04-06 Saturday
Registration deadline: 2019-03-22

SLJSO Sample papers and Past papers

All of these papers are available in Tamil as well as English medium visit,

  1. Sample paper 01 (Sinhala/English)
  2. Sample paper 02 (Sinhala/English)
  3. SLJSO paper 2016 (Sinhala)
  4. SLJSO paper 2017 (Sinhala)

SLJSO Online Activities

  1. pH පරිමාණය
  2. අම්ල-භස්ම ද්‍රාවණ
  3. පරමාණුවක ආකෘතියක් නිර්මාණය කරමු
  4. බැලුන සහ ස්ථිති විද්‍යුතය
  5. රසායනික සමීකරණ තුලනය
  6. සමස්ථානික සහ පරමාණුක ස්කන්ධය
  7. ආලෝක වර්තනය
  8. ඕම්ගේ නියමය
  9. ගුරුත්ව බල පරීක්‍ෂණාගාරය
  10. ඝර්ෂණය
  11. තන්තුවක ඇතිවන තරංඟ
  12. පීඩනයක් යටතේ
  13. බල සංතුලණය
  14. ෆැරඩේ නියමය
  15. Capacitor Lab: Basics
  16. Circuit Construction Kit: DC
  17. Energy Forms and Changes
  18. Gravity And Orbits
  19. States of Matter
  20. Wave Interference
  21. වර්ණ දෘෂ්ටිය
  22. Density
  23. Gene Expression Essentials