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	The diagram below shows how some animal groups are classified. Which of the following statements about the animal group below is definitely true?
	a) Animals in group W and group X can fly.		b) Animals in group y and group Z can live on land and in water
	c) Animals in group W and group Z have the same breathing method		d) Animals in group X and group Y have the same reproduction method.

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	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.

Q.4	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.5	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.6	Which of the following actions will help to reduce pollution? 1. Using sewers and treatment plants to remove human waste. 2. Restricting smoking in public to designated areas. 3. Spraying pesticides on plants to kill pests.
	a) Only 2		b) Only 3
	c) Both 1 and 2		d) 1, 2 and 3

Q.7	Which statement best describes the roles of snow and rain in the water cycle?
	a) They are both precipitations, but snow generally evaporates more quickly.		b) They are both precipitations, but snow generally takes longer to run off and rejoin groundwater.
	c) Rain is precipitation but snow is a condensate, so they occupy different positions in the water cycle.		d) Snow is precipitation but rain is a product of transpiration, so they occupy different positions in the water cycle.

Q.8	A roller-coaster car starts from rest at the top of a hill and moves downward. Ignoring friction, which statement is correct?
	a) Potential energy decreases while kinetic energy increases.		b) Potential energy increases while kinetic energy decreases.
	c) Both potential and kinetic energies decrease together.		d) Both potential and kinetic energies increase together.

Q.9	In a water treatment plant, chlorination is done. What could be the reason for the chlorination?
	a) To remove larger particles of solid impurities		b) To remove smaller particles of solid impurities
	c) To kill germs		d) To remove sand particles

Q.10	Rita wrote three statements in her notebook: 1. Some organisms such as millipedes and centipedes, living in the soil, are harmful as they destroy roots of plants. 2. Earthworms are called farmer's friends because they feed on dead remains of plants and animals. 3. Topsoil, subsoil and parent rock are different layers of soil. Which of the above statement(s) is/are false?
	a) Statement 1 only		b) Statement 2 only
	c) Statement 3 only		d) All three statements

Your Score: 0/10

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.