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	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

Q.2	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.3	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.4	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.5	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.6	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.7	To move anything we either 'pull' it or 'push' it. Which of the following is not an example of push?
	a)		b)
	c)		d)

Q.8	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.9	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.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.