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.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	Complete the pattern given below: Asthma : Due to air pollution :: ______________ : Due to water pollution
	a) Cholera		b) Chicken pox
	c) Malaria		d) Cancer

Q.2	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.3	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.4	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.5	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.6	Identify the similarity between the birds shown in the picture below in terms of the kind of beak they have:
	a) Both have long, slender and pointed beak.		b) Both have broad and flat beak.
	c) Both have long, thin and curved beak.		d) Both have short, hard and horny beak.

Q.7	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.8	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.9	Consider the given statements and choose the correct option: Statement 1: Mercury, Venus, Earth and Mars — are often called the "terrestrial planets" because their surfaces are rocky. Statement 2: Jupiter and Saturn are sometimes called the ice giants. Statement 3: Uranus and Neptune have been nicknamed the gas giants.
	a) Statements 1 and 2 are correct and statement 3 is incorrect.		b) Statements 1 and 2 are incorrect and statement 3 is correct.
	c) Statements 2 and 3 are incorrect and statement 1 is correct.		d) Statements 1 and 3 are incorrect and statement 2 is correct.

Q.10	Look at the pictures of different food items carefully: Which of the following food item is the rich source of calcium?
	a)		b)
	c)		d)

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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.