CREST Science Olympiad Class 5 Previous Year Papers

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

Q.1

Q.2

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Q.4

Q.5

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Q.10

Q.1	During a recent earthquake, Sarah and her family experienced some challenging moments. What should Sarah do when the earthquake starts?
	a) Run outside the house immediately.		b) Hide under a sturdy table.
	c) Stand near the window		d) Use elevators

Q.2	Which of the following effect cannot be produced by a force?
	a) Changing the mass of an object		b) Changing the shape of an object
	c) Changing the position of an object		d) All of the above

Q.3	Which of the following rocks is not grouped correctly? Sedimentary Rocks Metamorphic rocks 1. Sandstone Slate 2. Marble  Shale 3. Flint Gneiss 4. Coal Quartzite
	a) 1		b) 2
	c) 3		d) 4

Q.4	Fill in the blank and select the correct option: When oxides of _______ and ________ react with water vapour present in the atmosphere they form acids of nitrogen and sulphur. These acids fall down with rain drops. This is called acid rain and harms plants, animals and buildings etc.
	a) sulphur, nitrogen		b) carbon dioxide, oxygen
	c) helium, nitrogen		d) sulphur, hydrogen

Q.5	Identify the rock shown below which when powdered is used to polish teeth:
	a) Gneiss		b) Pumice
	c) Limestone		d) Granite

Q.6	Natural resources are the materials we use from nature to make the things we need. The air we breathe and the light we get from the sun are available in unlimited quantity. But the stock of coal, forest and petroleum resources is limited and is depleting day by day. Which of the following statement is incorrect related to the natural resources?
	a) Black gold is another name of marble.		b) Precious metals like gold and platinum are used for making jewellery.
	c) Dentists use powdered pumice for polishing our teeth.		d) Shale is used for making tiles and bricks.

Q.7	Read the passage below and correctly identify X: The X is in charge of thinking and memory. X is the largest part of the brain. Its dome-shaped surface is covered with deep ridges and grooves.
	a) Cerebrum		b) Medulla
	c) Spinal cord		d) Cerebellum

Q.8	What do grasshoppers and chameleons have in common?
	a) Both are parasites.		b) Both are nocturnal animals.
	c) Both hibernate.		d) Both change their colour and are not easily seen or spotted by their enemies.

Q.9	Given below is a wrong statement. Change the words that are quoted and choose the correct option: The earth's 'mantle' is made of several plates whose sudden movement causes earthquakes.
	a) The earth's inner core is made of several plates whose sudden movement causes earthquakes.		b) The earth's upper core is made of several plates whose sudden movement causes earthquakes.
	c) The earth's crust is made of several plates whose sudden movement causes earthquakes.		d) The earth's lower core is made of several plates whose sudden movement causes earthquakes.

Q.10	A plant leaf was taken as shown in the picture below and a strip of black chart paper was placed in the middle of a big leaf at the centre. The plant was kept outdoors for 24 hours after which the black strip was removed and tested for starch presence by adding iodine solution. Which of the following statement is correct related to the below-shown experiment?
	a) Iodine solution added on the place, where black strip was put, turned blue-black which proved that plants make food or starch without sunlight.		b) Iodine solution added on the place, where black strip was put, did not turn blue-black which proved that plants cannot make food or starch without sunlight.
	c) Iodine solution added on the place, where black strip was put, did not turn blue-black which proved that plants can make food or starch without sunlight.		d) Iodine solution added on the place, where black strip was put, turned blue-black which proved that plants make food or starch with sunlight.

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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.