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	Identify the correct order of the flow of food in our body:
	a) Mouth, Food pipe, Stomach, Intestines		b) Mouth, Windpipe, Stomach, Intestines
	c) Intestines, Stomach, Food pipe, Mouth		d) Stomach, Food pipe, Intestines, Mouth

Q.2	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.3	Tom, Kate and Alice were revising what they had studied in class. They told their mother the following: Tom: Friction can be reduced by making the surface smooth. Kate: Sprinkling powder on the carrom board increases friction. Alice: We apply oil on the hinges of the doors to increase friction. Which of the above student(s) is/are correct?
	a) Tom and Alice only		b) Kate and Tom only
	c) Alice only		d) Tom only

Q.4	Select the correct option to fill the empty blanks of the given flow chart:
	a) onion, potato		b) tomato, cucumber
	c) cauliflower, spinach		d) sweet potato, radish

Q.5	Which of the following statements hold true for the given animals X and Y? a. Animal X lives in the water while animal Y can live both on land and in water. b. Animal X has lungs to breathe while animal Y breathes with their moist skin when in water and with lungs when on land. c. Animal X has paddle-like flippers to swim in the water and animal Y has stout feet and padded soles to help them hop and move on land. d. Animal X has a thick layer of fat under their skin while animal Y has a streamlined body shape.
	a) a and b only		b) a, b and c
	c) c and d only		d) b, c and d

Q.6	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.7	Based on the given table which of the following can be added to the row 2?   Food item Method of preservation at home 1. Milk Pasteurisation 2. A B
	a) A - Spinach, B - Drying		b) A - Potato, B - Pickling
	c) A - Meat, B - Freezing		d) A - Carrot, B - Jams

Q.8	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.9	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.10	Which of the following statements is incorrect?
	a) We have eight incisors in the front centre of our mouth.		b) We have four canines in each jaw of our mouth.
	c) We have eight premolars in the oral cavity.		d) All of the above

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.