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


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:


Consider the give statements and choose the correct option:

Statement A: A person eating too much of proteins can suffer from obesity.
Statement B: Fibre-rich foods maintain our body temperature.


What is the similarity seen between metals and bricks?


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


Kate and her classmates were going to Mumbai from Delhi to take part in a quiz competition. They reached the Delhi airport by road transport. And after reaching Mumbai they took the bus to the competition venue. After the competition, they came back to Delhi from Mumbai by rail transport. Which of the following means of transport is most likely used by Kate and her classmates to go to Mumbai from Delhi in the least amount of time?


What type of clothes protect us from cold?


Match the items of Column I with those of Column II and select the correct option:

Column I Column II
1. Terracing a. Decayed vegetable or animal matter
2. Erosion b. Cutting down forests
3. Deforestation c. Practised in hilly areas
4. Humus d. To wear away


Observe the picture shown below and identify the process by which water is heated and changes into steam:


Match column I with column II and select the correct option:

  Column I Column II
1. Remove carbon dioxide a. Liver
2. Bean-shaped structure b. Small intestine
3. Absorption of nutrients from food c. Kidney
4. Production of bile d. Lungs


Observe the picture given below. It shows fumes and smoke coming out of a car at a traffic signal. Which of the following pollution is caused by the car?

Your Score: 0/10

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