CREST Science Olympiad Class 4 Previous Year Papers

CREST Science Olympiad Previous Year Paper PDF for Class 4:

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Section 1: Plants, Animals, Food and Digestion, Clothing, Matter and Materials, Force, Work and Energy, Our Environment, Earth and Universe.

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


Two students were having a class discussion about friction. This is what they said:
Michael: The force of friction between the tyres of a vehicle and the road helps the vehicle to stop when the brake is applied.
Ron: It is possible to write on a glazed paper if there is no friction.

Who among the above students was wrong?


We eat different types of food every day. Food gives us the energy to work, play and live.
Which of the following food components are called bodybuilding foods?


Fill in the blank:

In a banyan tree, roots grow from the branches, reach the soil and continue growing below the soil. These are called ________________ roots.


Observe the food pyramid shown below and answer the following question:

  1. Level 1 is rich in which nutrient?
  2. Food items of which level should be consumed in very less quantity?


Two classmates were having a class discussion about the energy required to do work. This is what they said:

Student 1: Riding a bicycle up a hill requires more energy as compared to the man cooking food in the kitchen.

Student 2: A running boy has more kinetic energy than a moving bus.

Who among them spoke correctly?


 Choose the correct option and complete the following sentence:

The bile is secreted by ___________. It is stored in __________. It helps in break down of _________.


Fill in the blank:

The digestion process starts in the mouth. From the mouth, the food reaches the stomach through the oesophagus. The stomach secretes acids and enzymes that digest food. The thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion is called  _________.


Choose the correct option and complete the following sentence:

Rayon is different from truly synthetic fibres because _______________.


Matter exists in three states. Which of the following figures shows the arrangement of particles in solid state?


Choose the correct option and complete the sentence given below:

When harmful substances mix with air and make it dirty, it is called air pollution. Air pollution does not cause __________________________.

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 4 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.

One of the most significant advantages of solving the past years’ papers is that it helps students improve their time management skills, strengthens their understanding of concepts and aids them in applying the concepts they have mastered. Also, solving previous years’ papers a few days before the exam can help students to revise the concepts quickly. Therefore, students must refer to previous years' papers before appearing for the final exam as many advantages are associated with it.

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 4 -

  1. CREST Science Worksheets Package for class 4 - 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 4 - 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 4 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 4.

Answers to Previous Year Questions from CREST Olympiads:

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