Updated for 2026–27: This page contains an archived SCO Olympiad Class 3 Science practice paper originally used in the 2022 cycle. We are preserving the existing URL because it already has Google search history, while the visible page now clearly identifies the downloadable PDF and questions as School Connect Olympiad material.

An older paper is still useful when it is treated correctly: not as the current exam pattern, but as a practice set for concept recall, reasoning, speed and question interpretation. Current syllabus, timings, marking rules and exam instructions should always come from the live SCO Class 3 Science resources.

The archived questions also reflect an early-primary Science + Environmental Studies + reasoning style. That is why topics such as plants, animals, water, weather, food, houses and basic Earth knowledge appear together. Students should use the paper to practise thinking, then move to the current 2026 Class 3 Science syllabus and papers for final preparation.

What This SCO Olympiad Class 3 Paper Helps You Practise

Practice area	What to focus on
Science concepts	Understand ideas such as plants, animals, food, water, environment and everyday science.
Reasoning	Read patterns, classifications, statements and picture-based questions carefully.
Accuracy	Check the wording of every option before choosing an answer.
Speed	Attempt the paper in one sitting and review mistakes afterwards.

Current SCO Class 3 Science Resources for 2026–27

After using this archived paper, students should move to the current School Connect Olympiad resources. The live SCO Class 3 Science page now provides the current syllabus, sample paper, answer key and a newer previous-year paper in one preparation pathway.

• Current SCO Class 3 Science Olympiad page — registration, syllabus direction, preparation resources and downloads.
• Class 3 Science Olympiad Syllabus 2026 — use this before planning revision.
• Class 3 Science Previous Year Paper 2026 — use this after the archived paper to compare with newer SCO practice.
• SCO International Science Olympiad — current exam overview, registration and preparation links.

Recommended order: current syllabus → topic revision → sample paper → this archived paper → newer previous-year paper → mistake review. This prevents students from treating a 2022 paper as the complete current syllabus.

SCO Olympiad Class 3 Science Practice PDF – Free Download

Practice resource: Use the embedded SCO Olympiad PDF below for timed practice, revision and question-format familiarity.

Class-3-ISODownload

How to Use This Class 3 Science Olympiad Paper

• Attempt the paper in one sitting without checking the answer key.
• Use the time guidance printed on the paper or set a reasonable practice timer.
• Mark questions you are unsure about instead of spending too long on one item.
• After finishing, use the answer key to identify weak topics and revise those concepts.
• Repeat the paper after a few days and compare your accuracy and completion time.

Important: Exam-day instructions can change by organiser and session. Students should follow the instructions printed on their current admit card and question paper rather than relying on old OMR-sheet instructions from archived papers.

Archived Class 3 Practice Questions

1.Geography means ———–

1. study of places
2. relationship between people and their environments
3. physical properties of earth’s surface
4. all of the above

2. The sprouting of a seed is called —————–.

a. Germination

b. Pollination

c. Absorption

d. Formation

3. A leap year comes every ——- year.

1. 2
2. 3
3. 4
4. 5

4. Which is not a sea animal from the following options?

1. Lobster
2. Octopus
3. Squid
4. Squirrel

5. Clouds are mainly made of ——–.

1. Tiny water droplets and ice crystals
2. Dust only
3. Salt crystals
4. Smoke only

6. Choose the correct option by reading both sentence 1 and 2.

Sentence 1: In villages, people don’t use wood as a fuel to cook food.

Sentence 2: The burning of wood causes smoke, which pollutes our environment.

1. Sentence 1 is correct but Sentence 2 is wrong.
2. Sentence 1is wrong but Sentence 2 is correct.
3. Both Sentences 1 and 2 are correct.
4. Both Sentences 1 and 2 are wrong.

7. Observe one pair and choose the correct option to complete the second pair.

Plants: __________:: Animals : Carbon dioxide

1. Oxygen
2. Water
3. Fruits
4. Air

8. Which of the following statements about healthy food is correct?

1. Only cereals are needed for a healthy diet
2. Only fruits should be eaten every day
3. A balanced meal can include cereals, pulses, vegetables and fruits
4. Drinking water is not important if we eat fruit

9. Choose the correct option by reading both sentence 1 and 2.

Sentence 1: We need water for different purposes.

Sentence 2: We can waste water as much as we want.

1. Sentence 1 is correct but Sentence 2 is wrong
2. Sentence 1is wrong but Sentence 2 is correct
3. Both Sentences 1 and 2 are correct
4. Both Sentences 1 and 2 are wrong

10. Choose the option of having an odd one.

1. Bathroom, kitchen, bedroom, storeroom
2. Tent, stilt house, igloo, caravan
3. Diyas, flowers, lights, rangoli
4. Housefly, mosquito, ant, lion

Use the answer key only after attempting the questions independently.

Answer Key:

Ques. 1	(d)	Ques. 6	(b)
Ques. 2	(a)	Ques. 7	(a)
Ques. 3	(c)	Ques. 8	(c)
Ques. 4	(d)	Ques. 9	(a)
Ques. 5	(a)	Ques. 10	(d)

Answer Explanations: What Each Question Is Testing

1. Geography — (d): geography includes the study of places, Earth’s physical features and relationships between people and their environments.
2. Seed sprouting — (a): germination is the process in which a seed begins to grow into a new plant.
3. Leap year — (c): in the basic school rule, a leap year generally comes every four years and has 366 days. Students later learn the century-year exception in the Gregorian calendar.
4. Sea animals — (d): lobster, octopus and squid are marine animals; a squirrel is a land mammal.
5. Clouds — (a): clouds are made mainly of tiny water droplets and/or ice crystals suspended in air.
6. Wood as fuel — (b): the first statement is too absolute because wood is still used as fuel in some places; the second statement is correct because wood smoke can contribute to air pollution.
7. Plants and animals — (a): in the simplified school-level relationship, plants release oxygen during photosynthesis while animals release carbon dioxide during respiration.
8. Balanced food — (c): a healthy diet includes a variety of food groups rather than relying on only one type of food.
9. Water use — (a): water is needed for many purposes, but it should be conserved rather than wasted.
10. Odd-one reasoning — (d): the first three items are insects, while a lion is a mammal; students should identify the classification rule before choosing.

SCO Olympiad Class 3 Science Practice Paper

Need an easier paper before repeating Class 3? Review the Class 2 Science Olympiad previous-year paper, then return to Class 3 and compare the increase in reasoning difficulty.

Related Class 3 Science Olympiad Resources

• Class 3 Science Olympiad Level 2 preparation guide
• Class-wise Olympiad previous papers
• Science Olympiad previous paper for Class 2

How to Prepare for a Class 3 Science Olympiad

• Revise the science syllabus: strengthen core Class 3 concepts before attempting mixed Olympiad questions.
• Practise reasoning: work on patterns, classification, statements and simple picture-based reasoning.
• Use timed papers: practise completing a full paper within the time mentioned for that SCO Olympiad resource.
• Review every mistake: write down why an answer was wrong and revise that concept before attempting another paper.
• Move from easy to difficult: build confidence with direct questions before spending more time on higher-order questions.

4-Week Class 3 Science Olympiad Practice Plan

Week	What to do	Goal
1	Read the current Class 3 Science syllabus and revise plants, animals, food, water, weather and everyday science.	Build concept confidence before timed practice.
2	Solve topic-wise questions and one current sample paper without rushing.	Learn how concepts are turned into Olympiad questions.
3	Attempt this archived paper with a timer. Review every wrong answer using the explanations above.	Measure accuracy and identify weak topics.
4	Attempt the newer 2026 previous-year paper, then compare mistakes with Week 3.	Check whether accuracy, reasoning and speed have improved.

Parent and Teacher Checklist

• Ask the child to explain an answer in their own words rather than only naming the option.
• Do not introduce difficult terminology when a simple Class 3 explanation is enough.
• Separate science mistakes from reading mistakes; sometimes the child knows the concept but misreads the question.
• Use short regular sessions instead of long periods of cramming.
• After two papers, revise the weakest topic before giving another mock test.
• Use the current SCO exam page for live dates, registration and instructions rather than archived OMR directions.

Frequently Asked Questions

Is the PDF on this page from SCO Olympiad?

Yes. The downloadable PDF and the practice questions on this page are SCO Olympiad material for Class 3 Science.

Can I download the Class 3 Science Olympiad practice PDF for free?

Yes. The embedded SCO Olympiad practice PDF can be opened or downloaded from this page for revision and timed practice.

Where can I continue with SCO Class 3 Science Olympiad preparation?

After completing this paper, students can continue with SCO International Science Olympiad resources and other Class 3 practice material.

Should Class 3 students solve previous papers more than once?

Yes. A second attempt after revision is useful because students can compare speed, accuracy and the types of mistakes they still make.

Is this 2022 paper the current SCO Science Olympiad pattern?

No. It is an archived practice paper. Use it for question practice, but check the current SCO Class 3 Science page for the latest syllabus, paper resources, exam dates and instructions.

What should a Class 3 student study first?

Start with age-appropriate science concepts such as plants and animals, food, water, weather, materials, the human body and everyday environmental science. Then add reasoning and mixed application questions.