CREST Science Olympiad Class 4 Previous Year Paper

Preparing your child for the Class 4 Science Olympiad? Solving previous year question papers is a smart and effective way to get started. These papers give students a better understanding of what to expect in the actual exam and help them revise key topics with focus.

Why These Papers Are Helpful

• They cover important topics such as Plants, Animals, Food and Digestion, Clothing, Matter and Materials etc.
• They help improve time management and sharpen thinking skills needed for Olympiad-level questions.
• Answer keys are included to support independent learning and quick corrections.

Download the Science Olympiad Previous Year Paper for Class 4 (PDF) and give your child the tools to prepare with clarity and confidence.

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Syllabus:

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

Sample Paper Previous Year Paper Marking Scheme Free Study Material

Previous Year Questions

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Q.10

Q.1	Forests are referred to as the 'lungs of nature'. Which of the following is most likely to be the correct reason for this?
	a) They bring down the oxygen level in the atmosphere.		b) They increase the carbon dioxide level in the atmosphere.
	c) They maintain the oxygen and carbon dioxide balance in the atmosphere.		d) They increase the greenhouse gases.

Q.2	Complete the given sentence: The main foods that plants of the grass family give us are ________________________.
	a) corn and wheat		b) fruits and nuts
	c) straw and sugarcane		d) tamarind and pepper

Q.3	Rohan tries to pull a box placed on a smooth table. He now places the box on an array of pencils. Observe the amount of force used in both cases and select the correct option:
	a) It is easier to pull the box with pencils because there is less friction than there is between the table and the box.		b) It is easier to pull the box without pencils because there is less friction than there is between the pencil and the box.
	c) It is easier to pull the box with pencils because there is more friction than there is between the table and the box.		d) It is easier to pull the box without pencils because there is more friction than there is between the pencil and the box.

Q.4	Complete the following sentences: ________ are energy sources that formed from the buried remains of the plants and animals that lived millions of years ago. The sources of energy which, once used, cannot be replenished soon or are lost forever are called ___________ sources of enrgy.
	a) Fossil fuels renewable		b) Solar energy non-Renewable
	c) Fossil fuels non-renewable		d) Biomass renewable

Q.5	Observe the picture given below: Peter's mother is making tea, Which method of separation is used by Peter's mother here?
	a) Evaporation		b) Filtration
	c) Sedimentation		d) Decantation

Q.6	Which of the following statement is CORRECT regarding the food item shown below?
	a) It is needed for the formation of blood.		b) It is a good source of vitamin A.
	c) It is a good source of iron.		d) All of the above

Q.7	Which of the following pair of animals are terrestrial? P: Tiger Q: Penguin R: Frog S: Bear
	a) P and S		b) Q and R
	c) R and S		d) P and Q

Q.8	Choose the correct option and complete the following sentence: Leo prefers to wear white clothes on a hot sunny day during the summer months. They are suitable because ________________.
	a) white clothes absorb more heat from the sunlight		b) white clothes reflect the heat
	c) white clothes help to trap heat		d) white clothes protect us from cold

Q.9	Two students were having a class discussion about which food items provide most of the fat content to our body to provide us with energy and keep our body warm. This is what they said: Monica: Foods like ghee, butter, cheese, oil are rich sources of fats. Richard: Foods like milk, paneer, pulses, rice, potato, honey are rich sources of proteins. Who among the students was correct?
	a) Only Richard		b) Only Monica
	c) Both Richard and Monica were correct		d) Both Richard and Monica were wrong

Q.10	Consider the following plants and identify the type of roots these plants have:
	a) Aerial roots		b) Tap roots
	c) Breathing roots		d) Fibrous roots

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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 https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
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.