Class 5 Science Olympiad: previous year questions and free practice

Practice based on previous year papers (2022-23 to 2025-26) and the syllabus, every answer explained.

Class 5 Science Olympiad exam pattern

Section	Questions	Marks each
Logical Reasoning	10	1
Science	35	1
Achievers Section	5	3
Total	50	60 marks · 60 minutes

Class 5 Science olympiads in 2026-27

International Science Olympiad (formerly NSO) · SOF · ₹170
National Level Science Talent Search Examination · Unified Council · ₹350 online
CREST Science Olympiad · CREST · ₹275
International Olympiad of Science · SilverZone · fee shown when you register
Humming Bird Science Olympiad · Humming Bird · ₹150 to ₹200
International Science Olympiad (ITO) · Indian Talent · ₹175 school · ₹500 online
International Foundation Science Olympiad · IOF · ₹150

Class 5 Science topics in each olympiad

	SOF	UC	CREST	SZ	ITO	IOF
Human Body	●	●	●	●	●	●
Matter and Materials	●	●	●	●	●	●
Force, Work and Energy	●	●	●	●	●	●
Plants	●	●	●	●		●
Animals	●	●	●	●		●
Earth, Sky and Space	●	●	●		●	●
Environment and Resources	●		●	●	●	●
Only in some exams
Health, Hygiene and Safety	●		●		●	●
Reasoning	●			●	●	●
Light				●	●	●
Food and Nutrition				●		●
Air, Water and Weather		●				●
Rocks and Soil		●				●
Sound				●	●
Clothes and Shelter				●
Family and Community					●
Heat and Temperature					●
Crops and Agriculture					●
Maths		●

UC Unified Council · SZ SilverZone · ITO Indian Talent. Humming Bird gives no class-wise topic list. Checked on each organiser's own syllabus, 8 Nov 2026.

A sample question with the answer

1. Which of these pairs of animals breathe in the same way?

Tadpole and adult frog
Earthworm and leech
Cockroach and crab
Fish and whale

Answer: B) Earthworm and leech

Earthworms and leeches both breathe through their moist skin. A whale has lungs but a fish has gills; a crab has gills but a cockroach has air holes; a tadpole has gills but a frog has lungs.

Questions parents ask

Do you have previous year papers for the Class 5 Science Olympiad?

We do not share the papers themselves. Our practice follows real papers from 2022-23 to 2025-26, in the same pattern, each with its answer explained.

How should my child prepare for the Class 5 Science Olympiad?

A few questions a day, and one timed mock paper a week. Then give extra time to the topics Parents' Corner marks "Practise next". The hardest section carries more marks, so practise it too.

More free practice

Class 5: Maths · English · General Knowledge · Computer · Social Studies · Spell Bee · Talent Test · Reasoning · Mental Maths · Green · Space

Science: Class 1 · Class 2 · Class 3 · Class 4 · Class 6 · Class 7 · Class 8

Every olympiad for Class 5 · All olympiads A to Z

Olympiad Owl is a free, independent practice app. It is not connected with or endorsed by any Olympiad organiser; exam names are used only to describe what the practice is for. Every question is written for this app.