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

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Q.10

Q.1	Choose the correct option and complete the following sentence: If you are asked to push an object so that the acceleration produced in it is now twice as before, then the force required will be ___________.
	a) twice as before		b) half as before
	c) same as before		d) four times as before

Q.2	Choose the correct option and complete the following sentence: Rohan lives in an overcrowded and poorly ventilated house, it is possible that he may suffer from the _________________ diseases.
	a) hereditary		b) congenital
	c) air borne		d) water borne

Q.3	Consider the following statements and choose the correct option: Only liquid phase is present after mixing a teaspoon of solid sugar in a glass of liquid water. A saturated solution can be converted into unsaturated by increasing temperature. Clouds are an example of solid in gas solution.
	a) Only 1 is correct		b) Only 2 is correct
	c) Only 1 and 2 are correct		d) 1, 2 and 3 are correct

Q.4	Which of the following organelles are involved in the protein synthesis? (i) Endoplasmic reticulum (ii) Ribosomes (iii) Golgi complex (iv) Nucleus
	a) (i), (ii) only		b) (i), (ii), (iv) only
	c) (i), (ii), (iii) only		d) (i), (ii), (iii), (iv)

Q.5	In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): Epithelial tissue lining the urinary bladder is transitional epithelium. Reason (R): Transitional epithelium helps in changing the size of the bladder accordingly.
	a) Both A and R are true and R is the correct explanation for A.		b) Both A and R are true, but R is not the correct explanation for A.
	c) A is true and R is false.		d) A is false and R is true.

Q.6	Consider the following statements and choose the correct option: I. A book raised at an angle has positive work done. II. A book held stationary at some height has positive work done. III. The work done in bringing a book from the first floor to the ground floor through the staircase is negative.
	a) Only I is correct		b) Both I and II are correct
	c) Both I and III are correct		d) I, II and III are correct

Q.7	Fill in the blank: A horse continues to apply a force in order to move a cart with a constant speed to _____________.
	a) conserve the momentum		b) continue the uniform motion
	c) resist the inertia		d) balance the force of friction

Q.8	Choose the correct option: The molecular formula Al2O3 means that ________________.
	a) a molecule contains 2 atoms of Al and 3 atoms of O		b) the ratio of the mass of Al to the mass of O in the molecule is 2 : 3
	c) they are twice as many Al atoms in the molecule as there are O atoms		d) the ratio of the mass of Al to the mass of O in the molecule is 3 : 2

Q.9	The weight of a person on planet X is about half that on Earth. He can jump up to a height of 0.8 m on the surface of the Earth. How high can he jump on planet X?
	a) 0.8 m		b) 1.6 m
	c) 1.0 m		d) 1.2 m

Q.10	If different planets have the same density but different radii, then the acceleration due to gravity on the surface of the planet is related to the radius (R) of the planet as:
	a) g ∝ 1/R2		b) g ∝ 1/R
	c) g ∝ R		d) g ∝ R2

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.