CREST Science Olympiad Class 9 Previous Year Paper

Preparing for the Class 9 Science Olympiad can feel challenging, but using previous year question papers makes a big difference. These papers give students a solid understanding of how questions are framed and what topics to focus on, making revision more targeted.

How These Papers Help

• They cover crucial topics such as Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound etc.
• They improve time management, analytical thinking, and help students handle tricky questions more confidently.
• Answer keys are included to help students review and strengthen weak areas.

Download the Science Olympiad Previous Year Paper for Class 9 (PDF) to support focused revision and help your child step into the exam feeling well-prepared and motivated.

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Syllabus:

Section 1: Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell - The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, Improvement in Food Resources.

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	A car travels with a constant speed of 50 km/hr for 30 min and then quickly speed up to 100 km/hr to be maintained for 60 min. Calculate its average speed in m/s:
	a) 83.33		b) 43.33
	c) 23.14		d) 40.90

Q.2	Fill in the blank: The change in density/pressure of a medium from a maximum value to a minimum value and again to the maximum value, due to the propagation of a longitudinal wave is called a complete __________________.
	a) oscillation		b) frequency
	c) amplitude		d) none of these

Q.3	A field gun of mass 2.4 ton fires a shell of mass 24 kg with a velocity of 120 ms-1. Calculate the velocity of the recoil of the gun:
	a) 1.2 ms-1		b) 1 ms-1
	c) 3.2 ms-1		d) 4.2 ms-1

Q.4	If two balls of different masses have the same kinetic energy, then ____________.
	a) lighter ball has greater momentum than the heavier ball		b) heavier ball has greater momentum than the lighter ball
	c) both balls have equal momentum		d) both balls have zero momentum

Q.5	Read the following statements and choose the correct option: Statement 1: Low visibility during cold weather is due to unburnt carbon particles or hydrocarbons suspended in the air. Statement 2: Transpiration step is not involved in the carbon 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.6	What is the function of chloroplast in plants?
	a) To absorb carbon dioxide during photo synthesis.		b) To break up water into hydrogen and oxygen during photosynthesis.
	c) To synthesise food in the presence of sunlight.		d) To form carbon dioxide and glucose in sunlight.

Q.7	Which of the following electronic configurations is/are correct?
	a) Ne = 2, 8		b) P = 2, 8, 5
	c) Cl = 2, 8, 6		d) Both a and b

Q.8	Kevin carries a bag weighing 6 kg from the ground floor to his house on the first floor that is 10 m high. Calculate the work done by Kevin: (g = 9.8 m/s2)
	a) 500 J		b) Zero
	c) 588 J		d) 58.8 J

Q.9	Consider the following statements and choose the correct option: Statement 1: The number of molecules present in 2.8 g of nitrogen is 6.023 x 1022. Statement 2: Both 44 g CO2 and 16 g CH4 have the same number of carbon atoms.
	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.10	In the following question, an assertion and a reason is given. Choose the correct option: Assertion: AIDS is not syndrome which results from infection through bacteria. Reason: AIDS is not transmitted through contact with saliva, breast milk and vaginal secretions of an infected individual.
	a) Both assertion and reason are true and reason is the correct explanation of assertion.		b) Both assertion and reason are true and reason is not the correct explanation of assertion.
	c) Assertion is true but reason is false.		d) Both assertion and reason are false.

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 9 -

1. CREST Science Worksheets Package for class 9 - 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 9 - 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 9 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 9.