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

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Q.7

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Q.10

Q.1	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.

Q.2	Fill in the blank: Human beings have four types of teeth. ______________ teeth are used for biting a guava.
	a) molars		b) canines
	c) premolars		d) iincisors

Q.3	Read the clues and identify the animal correctly: Clue 1: I have gills to breathe. Clue 2: I lay eggs and my ears cannot be seen. Clue 3: I live in water only. Who am I?
	a) Fish		b) Whale
	c) Dolphin		d) Frog

Q.4	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.5	Which of the following pair of modes of transport can be used to travel from Delhi to Dubai in the least amount of time? P: Aeroplane Q: Train R: Bus S: Ship
	a) P		b) Q
	c) R		d) S

Q.6	Choose the correct option and complete the following sentences: 1. The old cardboard was used to make new boxes. The cardboard was _____________________. 2. ___________________ means to use less of something.
	a) 1. renewed 2. reduce		b) 1. recycled 2. reducing
	c) 1. reduced 2. recycle		d) 1. reused 2. recycle

Q.7	Fill in the blanks with suitable terms from the list given below: 1. A shadow is always formed on the _________ side of the light. 2. Torchlight and candle are __________ source of light.
	a) 1. opposite 2. artificial		b) 1. opposite 2. natural
	c) 1. left 2. luminous		d) 1. east 2. non-luminous

Q.8	What kind of fibres are obtained from the animals shown in the picture below?
	a) 1-Rayon, 2-Cotton		b) 1-Cotton, 2-Silk
	c) 1-Wool, 2-Silk		d) 1-Jute, 2-Nylon

Q.9	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.10	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

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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.