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	Observe the picture shown below: What are these planets collectively called?
	a) Inner planets		b) Terrestrial planets
	c) Jovian planets		d) Both a and b

Q.2	Read the following clues below and identify the animal from the given options: Clue 1: I am a vertebrate. Clue 2: I do not have legs. Clue 3: I have scales which help me to crawl.
	a) Earthworm		b) Snake
	c) Goat		d) Salamander

Q.3	Look at the pictures of plants shown below and try to spot the similarity between them correctly:
	a) They are plants that grow in marshy areas.		b) Both are insectivorous plants.
	c) They are plants that grow in desert regions.		d) These plants have buttress roots.

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	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.6	State the INCORRECT match from the following: P: Melting- Ice changes into water Q: Evaporation- Water changes into water vapour R: Freezing- Water changes into liquid S: Condensation- Water changes into ice
	a) P and Q		b) Q and R
	c) R and S		d) P and S

Q.7	Alice is 6 years old and she wears spectacles. She loves reading books in her free time. Suggest which type of foods she should include in her diet to improve her eyesight:
	a) Rice and eggs		b) Fish and wheat
	c) Citrus fruits		d) Carrots and green vegetables

Q.8	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.9	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.10	Read the statements below and choose the correct one: The balance in nature can get disturbed due to various man-made and natural causes. The elimination of snakes in the rice fields decreases predators of rats. Acid rain has led to an increase in ecological imbalance.
	a) 1 and 2		b) 1 and 3
	c) 2 and 3		d) 1, 2 and 3

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.