CREST Science Olympiad Class 5 Previous Year Paper

Want to help your child do well in the Class 5 Science Olympiad? One of the most effective ways is to practise with previous year question papers. These papers are not just about answering questions-they help children understand the exam pattern, revise important topics, and build confidence.

Why Practise with Previous Year Papers?

• They include questions from key topics like Animals, Human Body and Health, Plants, Natural Resources etc.
• They train students to manage time efficiently while solving challenging questions.
• Each paper comes with an answer key to help track progress and learn from mistakes.

Download the Science Olympiad Previous Year Paper for Class 5 (PDF) and help your child approach the exam with better preparation and less stress.

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Syllabus:

Section 1: Animals, Human Body and Health, Plants, Natural Resources, Pollution and Calamities, Earth and Universe, Matter, Force, Work and Energy.

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 following statements and choose the correct option: 1. Over-grazing promotes soil erosion. 2. Sun is the origin of energy that drives the water cycle.
	a) Statement 1 is correct and statement 2 is incorrect		b) Statement 1 is incorrect and statement 2 is correct
	c) Both the statements are correct		d) Both the statements are incorrect

Q.2	Winona felt cold when she got out of the swimming pool. Why?
	a) The water on her body evaporated into the surrounding air.		b) The water in the swimming pool gained heat from her body.
	c) The water vapour from the surrounding air condensed onto her body.		d) The water from the swimming pool evaporated into the surrounding air.

Q.3	Study the flow chart below. Based on the information above, which plant most likely disperses its fruit by animals?
	a) R only		b) S only
	c) S and T only		d) T and U only

Q.4	Read the statements given below and correctly identify P and Q: P is the process of heating a solution containing soluble solids to form vapours of the liquid and then cooling the vapours to get the liquid back.  Q is the process by which the insoluble solids can be removed from a liquid by using a filter paper.
	a) P - Distillation, Q - Filtration		b) P - Decantation, Q - Filtration
	c) P - Sedimentation, Q - Evaporation		d) P - Filtration, Q - Evaporation

Q.5	Which of the following activities will help to reuse non-biodegradable wastes? 1. Use cloth napkins instead of disposable napkins. 2. Old worn-out clothes made into cushion covers. 3. Old mixer grinder given to maidservant for home purpose. 4. Old newspapers used for packaging.
	a) 1 and 2		b) 1 and 4
	c) 3 and 4		d) 2 and 3

Q.6	Study the given figure and select the correct option for labels P, Q, R and S:
	a) P-Lamina, Q-Petiole, R-Midrib, S-Veins		b) P-Lamina, Q-Veins, R-Petiole, S-Midrib
	c) P-Petiole, Q-Midrib, R-Lamina, S-Veins		d) P-Petiole, Q-Midrib, R-Veins, S-Lamina

Q.7	Samarth kept a bottle filled with water in the freezer. After a few hours, he was thirsty and he took out the bottle to drink water. He found that water has changed into ice (Process 1). He left aside the bottle and after some time, he noticed that the ice in the bottle has changed to water again (Process 2). Identify the change that has taken place in the above two processes:
	a) 1-Chemical change, 2-Physical change		b) 1-Physical change, 2-Chemical change
	c) 1-Permanent change, 2-Physical change		d) 1-Physical change, 2-Physical change

Q.8	Read the clues given below and identify the planet correctly: Clue 1: It was first observed by Galileo. Clue 2: It is the brightest and hottest planet, because it has atmosphere to trap the sun's light making it hottest and it is called as the morning and evening star. Clue 3: It rotates on its axis very slowly but it revolves around the sun fast.
	a) MARS		b) EARTH
	c) SATURN		d) VENUS

Q.9	Which of the following force does an archer apply to stretch the bow, while aiming at the target?
	a) Magnetic force		b) Gravitational force
	c) Frictional force		d) Muscular force

Q.10	What is the similarity seen between the two plants shown below?
	a) Both are plants that grow in marshy areas.		b) Both are plants that are rooted and grow underwater.
	c) Both these plants trap insects.		d) Both these plants are free-floating growing on the surface of the water.

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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 5 -

1. CREST Science Worksheets Package for class 5 - 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 5 - 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 5 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 5.