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.10

Q.1	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.2	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.3	Seeds are great travelers. How do seeds of pea plant reach different places?
	a) These are carried by animals or birds.		b) These are thrown by splitting or bursting.
	c) These are carried by water.		d) These are carried by air.

Q.4	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.5	In which of the following places do we generally see the house on stilts?
	a) Place where there are many crocodiles.		b) Place where there is snowfall all-round the year.
	c) Place where it rains a lot and floods happen more often.		d) Desert region

Q.6	Identify the state of matter from the clue given below: It has a volume that stays the same, but it can change shape. What is it?
	a) Solid		b) Liquid
	c) Gas		d) Ice

Q.7	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.8	Two types of houses (1 and 2) are shown below. Identify them and select the correct option regarding 1 and 2:
	a) 1 is house on wheels whereas 2 is an apartment.		b) 1 is a house boat which house made on water whereas 2 is a hut made on land.
	c) 1 is a tent made of plastic sheet/canvas whereas 2 is an igloo made of ice.		d) 1 is an apartment whereas 2 is a castle.

Q.9	Complete the pattern given below: Asthma : Due to air pollution :: ______________ : Due to water pollution
	a) Cholera		b) Chicken pox
	c) Malaria		d) Cancer

Q.10	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

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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.