CREST Science Olympiad Class 3 Previous Year Papers

CREST Science Olympiad Previous Year Paper PDF for Class 3:

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Section 1: Plants and Animals, Birds, Food, Housing and Clothing, Transport and Communication, Human Body, Earth and Universe, Matter and Materials, Light, Sound and Force, Our Environment.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10


Consider the following sequence of planets and answer the question that follows:

Mars, Jupiter, X, Uranus

Identify X:


The roof is a protective covering to the house. It protects us from various weather conditions and dust.
Identify the place where we find more houses with sloping roofs:


Given below are pictures of different birds:
Which of them is/are the flightless bird(s)?


Read the passage given below carefully:

X is a very important natural resource and an abiotic component of the environment. It is the uppermost layer of the earth’s crust, which supports the growth of plants. It is a non-renewable resource.

Identify X:


Deepak wrote two statements on the blackboard about different kind of objects:

  1. Coloured glass is a transparent object.
  2. Clear glass is a translucent object.

Choose the correct option about the above two statements:


A scrap dealer wants to separate the iron from other scrap materials. Which of the following force he will use to do so? 


What is common among the planets given below?

Mercury, Venus, Earth, Mars

1. They are made up of rocks and iron.
2. They all have landforms suggesting past or present volcanic activity.
3. They all have rings and artificial satellites.
4. They all have moons.


The picture below shows that some objects allow the light to pass through them while some do not. Identify which among A, B and C is translucent:


Peter is suffering from constipation. Which type of foods should he include in his diet?


What type of clothes protect us from cold?

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Answers to Previous Year Questions from CREST Olympiads:


Students can download the CREST Science Olympiad previous year paper pdf for class 3 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.

Students who are preparing for the CREST Science Olympiad need to implement some smart study strategies to ace the exam. One such strategy is solving the CREST Science Olympiad previous year papers. These papers help students in developing a deeper understanding of the exam format. Analyzing past years' papers will enable students to recognize:

  1. Different types of questions asked in the exam
  2. The topics that are frequently asked in the exam
  3. The difficulty level of the questions

Students will be better prepared for the CREST Science Olympiad exam if they are aware of the factors mentioned above.

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 3 -

  1. CREST Science Worksheets Package for class 3 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at -> Dashboard -> Additional Practice -> Buy & new users can visit
  2. CREST Science Olympiad book for class 3 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 3 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 3.

Answers to Previous Year Questions from CREST Olympiads:

Q.1 : c | Q.2 : d | Q.3 : a | Q.4 : c | Q.5 : d | Q.6 : c | Q.7 : c | Q.8 : b | Q.9 : d | Q.10 : d