CREST Science Olympiad Class 3 Previous Year Paper

Getting your child ready for the Class 3 Science Olympiad? A great way to begin is by practising with previous year question papers. These papers are more than just practice-they help your child understand the types of questions asked and boost their confidence.

How Previous Year Papers Help

• They include questions from important topics like Plants and Animals, Birds, Food, Housing and Clothing etc.
• They improve your child's ability to think critically and answer questions within a time limit.
• Answer keys are provided to help spot mistakes and learn from them easily.

Download the Science Olympiad Previous Year Paper for Class 3 (PDF) and help your child practise smarter and feel more confident before the exam.

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Syllabus:

Section 1: Plants and Animals, Birds, Food, Housing and Clothing, Transport and Communication, Human Body, Earth and Universe, Matter and Materials, Light, Sound and Force, Our Environment.

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.3

Q.4

Q.5

Q.6

Q.7

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Q.10

Q.1	Rainwater harvesting is one way of increasing the availability of water by collecting the rainwater and storing it for later use. Which of the following is/are the benefits of rainwater harvesting?
	a) It is environment-friendly.		b) It improves the quality of groundwater.
	c) It prevents soil erosion and flooding, especially in urban areas.		d) All of the above

Q.2	Observe the given picture of the shadow of a tree: What could be the time of the day?
	a) Morning only		b) Evening only
	c) Afternoon only		d) Morning or evening

Q.3	Read the sentences given below and choose the INCORRECT statement(s) related to birds - types of feathers: a. Flight feathers are soft and fluffy. b. Down feathers keep the bird's body warm. c. Body feathers cover the body of the bird and give it shape.
	a) Only a		b) Both a and b
	c) Both b and c		d) a, b and c

Q.4	Given below are some features of plants found in a particular habitat: 1. The stems are thick and fleshy which store water and food. 2. The leaves are reduced to thorns or spines to avoid loss of water. 3. They have long roots that grow deep into the soil to get underground water. Which of these is the habitat of the given plant?
	a) Mountain		b) Grasslands
	c) Desert		d) Pond

Q.5	Complete the pattern given below correctly: Vapour : Gas :: Juice : _________________
	a) Glass		b) Liquid
	c) Gas		d) Solid

Q.6	Complete the pattern given below: Asthma : Due to air pollution :: ______________ : Due to water pollution
	a) Cholera		b) Chicken pox
	c) Malaria		d) Cancer

Q.7	Which of the following pairs are wrongly classified? P: Luminous object - Bulb and torch Q: Natural sources of light - Sun and book R: Non-luminous objects - Glowworms and pencil S: Artificial sources of light - Fire and candle
	a) Q and R		b) Q and S
	c) R and S		d) P and Q

Q.8	What is the similarity seen between the two trees namely Rosewood and sal as seen below?
	a) We get medicines from these two trees.		b) We get natural fibres from these two trees.
	c) We get beverages from these two trees.		d) We get wood from these two trees.

Q.9	Which of the following pairs are wrongly classified? D: Sugar - Does not dissolve in water E: Mud - Dissolves in water F: Oxygen - Dissolves in water G: Sand - Does not dissolve in water
	a) D and F		b) D and E
	c) F and G		d) E and G

Q.10	The picture below shows the first boy looking through a straight hose at the candle and the second boy trying to look through a bent hose at the candle. The second boy was unable to see the candle burning through the bent hose. What does this experiment prove?
	a) Light does not travel in a straight line.		b) Light travels in a straight line.
	c) We should always look through a bent hose to see light.		d) Light travels in all directions from its source.

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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 3 -

1. CREST Science Worksheets Package for class 3 - 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 3 - 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 3 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 3.