2023
Thailand
IJSO Problems and Solutions
First held in Jakarta in 2004 with 29 countries, for students aged 15 and under. It is a combined science olympiad, putting physics, chemistry and biology in one exam, with theory, practical and multiple-choice rounds.
2022
Colombia
2021
United Arab Emirates
2019
Qatar
2018
Botswana
2017
Netherlands
2016
Indonesia
- 5Experimental (Physics): The effectiveness of energy absorption by waterSolutionIJSO 2016 problem 5, Experimental (Physics): The effectiveness of energy absorption by water
- 6Experimental (Biology): Characteristics of NutmegSolutionIJSO 2016 problem 6, Experimental (Biology): Characteristics of Nutmeg
- 7Experimental (Chemistry): Nutmeg Oil DistillationSolutionIJSO 2016 problem 7, Experimental (Chemistry): Nutmeg Oil Distillation
2014
Argentina
2013
India
Problems5 problems
- 1Multiple ChoiceProblemSolutionIJSO 2013 problem 1, Multiple Choice
- 2TheoryProblemSolutionIJSO 2013 problem 2
- 3Experimental: Task AProblemSolutionIJSO 2013 problem 3, Experimental: Task A
- 4Experimental: Task BProblemSolutionIJSO 2013 problem 4, Experimental: Task B
- 5Experimental: Task CProblemSolutionIJSO 2013 problem 5, Experimental: Task C
2011
South Africa
Problems5 problems
- 1Multiple ChoiceProblemSolutionIJSO 2011 problem 1, Multiple Choice
- 2TheoryProblemSolutionIJSO 2011 problem 2
- 3Experimental (Biology)ProblemSolutionIJSO 2011 problem 3, Experimental (Biology)
- 4Experimental (Chemistry)ProblemSolutionIJSO 2011 problem 4, Experimental (Chemistry)
- 5Experimental (Physics): Solar photovoltaic cellsProblemIJSO 2011 problem 5, Experimental (Physics): Solar photovoltaic cells
2010
Nigeria
2009
Azerbaijan
2008
South Korea
2007
Taiwan
Problem PDF:Problems PDF:Solution PDF:Solutions PDF:Marking scheme PDF:Marking scheme PDF:Problems and solutions PDF:Problems and solutions PDF:LaTeX source (.zip):LaTeX source (.zip):Add to list:More materials: