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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	The ability of a solute to dissolve in a solvent is known as its solubility. Which of the following is most likely to be insoluble in water?
	a) Sand		b) Salt
	c) Honey		d) Sugar

Q.2	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.3	Complete the pattern shown below:
	a) Camel		b) Yak
	c) Polar bear		d) Turtle

Q.4	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.5	Match column I with column II and select the correct option: Column I Colum II 1. Ship of the desert a. Kiwi 2. Amphibian b. Flying squirrel 3. Arboreal animal c. Camel 4. Flightless bird d. Newts
	a) 1 - c, 2 - d, 3 - b, 4 - a		b) 1 - c, 2 - b, 3 - d, 4 - a
	c) 1 - d, 2 - a, 3 - b, 4 - c		d) 1 - c, 2 - b, 3 - a, 4 - d

Q.6	Select the correct effect of the force in each of the following situations: 1. A plastic or metal scale placed between two bricks and weight is kept at the centre of the scale. 2. A weight hanging from the free end of a rubber band suspended from a hook fixed on the wall.
	a) Change in state of motion  Change in direction of motion		b) Change in shape Change in speed of motion
	c) Change in speed of motion Change in state of motion		d) Change in shape Change in shape

Q.7	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.8	Fill in the blanks and select the answer correctly from the given options: The first part of the small intestine is called the  _____(i)_______, the next part is the  ______(ii)_______ and the third and final part of the small intestine is called the ____(iii)________. The remains of food or the unabsorbed food and water are stored in the _____(iv)_______.
	a) i. duodenum ii. jejunum iii. ileum iv. rectum		b) i. jejunum ii. ileum iii. rectum iv. duodenum
	c) i. ileum ii. rectum iii. duodenum iv. jejunum		d) i. jejunum ii. duodenum iii. ileum iv. rectum

Q.9	Choose the correct option and complete the sentence given below: The man in the picture is separating the grain from the chaff. This separation process is known as __________________.
	a) filtration		b) sedimentation
	c) evaporation		d) winnowing

Q.10	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.

Your Score: 0/10

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.