CREST Science Olympiad Class 9 Previous Year Papers

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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

Q.1

Q.2

Q.3

Q.4

Q.5

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Q.7

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Q.9

Q.10

Q.1	Sound travels with a different speed in different media. In what order does the velocity of sound increase in these media?
	a) Water, iron and air		b) Iron, air and water
	c) Air, water and iron		d) Iron, water and air

Q.2	A body of mass 90 g is thrown upwards. It rises to a maximum height of 50 m. At what height its kinetic energy will be reduced to 70%?
	a) 15 m		b) 30 m
	c) 60 m		d) 70 m

Q.3	A compound 'X' is an ionic compound. Which of the following is not the characteristic feature of X?
	a) X is soluble in water.		b) X is a good electrical conductor in solid-state.
	c) X melts at high temperature.		d) X is formed by transfer of electron(s).

Q.4	Label A, B, C and D in the following diagram and choose the correct option:
	a) A-Cell body, B-Nucleus, C-Axon, D-Nerve ending		b) A-Nucleus, B-Nerve ending, C-Axon, D-Dendrite
	c) A-Nucleus, B-Dendrite, C-Axon, D-Nerve ending		d) A-Nucleus, B-Axon, C-Dendrite, D-Nerve ending

Q.5	A ship at rest is sending ultrasonic sound waves to detect a shoal of fish. If the time gap between the signal sent from the ship and received (reflected signal) is 0.5 s, then find the distance of the shoal of fish from the ship. (Velocity of sound in water is 1400 m/s)
	a) 300 m		b) 350 m
	c) 400 m		d) 450 m

Q.6	Identify X and Y in the given figure:
	a) X - Mixture of naphthalene and anthracene, Y - Solid naphthalene		b) X - Mixture of NaCl and water, Y - Solid NaCl
	c) X - Mixture of NaCl and anthracene, Y - Solid anthracene		d) X - Mixture of sugar and NaCl, Y  Solid sugar

Q.7	Consider the following statements and choose the correct option: Statement 1: Mixed cropping is growing two or more crops simultaneously on the same piece of land, for example, wheat + gram, or wheat + mustard, or groundnut + sunflower. Statement 2: Intercropping involves growing two or more crops simultaneously on the same field in a definite proportion or pattern. A few rows of one crop alternate with a few rows of a second crop, for example, soybean + maize.
	a) Both the statements are correct.		b) Both the statements are incorrect.
	c) Statement 1 is incorrect but statement 2 is correct.		d) Statement 1 is correct but statement 2 is incorrect.

Q.8	Fill in the blank: During a planned manoeuvre in a space flight, a free-floating astronaut A pushes another free-floating astronaut B, the mass of A being greater than that of B. Then, the magnitude of the force exerted by astronaut A on astronaut B is ___________.
	a) equal to zero		b) equal to the force exerted by astronaut B on astronaut A
	c) greater than the force exerted by astronaut B on astronaut  A		d) less than the force exerted by astronaut B on astronaut A

Q.9	A ball of mass 2 kg is thrown up vertically with a kinetic energy of 490 J. The height at which the kinetic energy of the body becomes half of the original value is _________.  The acceleration due to gravity is 9.8 ms-2.
	a) 50 m		b) 25 m
	c) 12.5 m		d) 10 m

Q.10	Which of the following animals cannot survive both in land and water habitats?
	a) Salamanders		b) Alligators
	c) Ostrich		d) Penguins

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Students can download the CREST Science Olympiad previous year paper pdf for class 9 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.

The CREST Science Olympiad previous year paper pdf for class 9 can be used by students to assess their preparation. They could then learn how to fill up the knowledge gaps in their preparation and identify areas where they lack. They might better prepare for their exam as a result. Additionally, if students practice answering the previous years’ questions, their time management skills improve and as a result they will be able to manage time better in the main exam.

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.