CREST Science Olympiad Class 7 Previous Year Papers

Getting ready for the Class 7 Science Olympiad? Practising with previous year question papers can be a game changer. These papers not only help students understand the kind of questions asked but also make revision more focused and effective.

What Makes These Papers Useful?

• They cover a range of topics like Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones etc.
• They improve logical thinking and help students practise answering within the time limit.
• Each paper comes with an answer key, making it easy to check answers and learn from mistakes.

Download the Science Olympiad Previous Year Paper for Class 7 (PDF) and give your child the right tools to prepare with confidence and perform their best in the exam.

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Syllabus:

Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

Sample Paper Previous Year Paper Marking Scheme Free Study Material

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Q.1	A motor car travels with a speed v1 from A to B and returns back from B to A with a speed v2. What is the average speed of the car during its journey?
	a) (v1 + v2)/2		b) (v1v2)/(v1 + v2)
	c) (2v1v2)/(v1 + v2)		d) √(v1 + v2)

Q.2	Ron took two salts A and B in two test tubes I and II, respectively, and subjected them to heating. After that, he added water to the two test tubes, in test tube I salt regained its original colour and in test tube II water started boiling. Identify A and B:
	a) A-Blue vitriol, B-Limestone		b) A-Nitrite, B-Baking soda
	c) A-Nitrite, B-Limestone		d) None of these

Q.3	Read the statements below and choose the correct one: 1. Eucalyptus trees release pure water vapour into the atmosphere if planted along sewage ponds. 2. Cooking oil and fats if thrown in drains harden and block pipes. 3. Open drains overflow in the rainy season and is a breeding place of flies and mosquitoes.
	a) 1 and 2		b) 1 and 3
	c) 2 and 3		d) 1, 2 and 3

Q.4	Which of the following statements is/are correct?
	a) Celsius (oC) is the unit of temperature.		b) 30oC = 303 K
	c) When heat energy flows from one body to another, the change in temperature of the bodies need not be equal.		d) All of the above

Q.5	Select the correct statement(s): 1. Manures and fertilizers are added to increase the fertility of the soil. 2. Sun is the ultimate source of energy for all living organisms. 3. Cells of the pitcher of Nepenthes plant secrete digestive juices to digest the insect.
	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.6	Fill in the blanks: 1. The light material which floats during wastewater treatment is _______________. 2. _______________ is produced during wastewater treatment. 3. Wastewater from ______________ may contain radioactive materials.
	a) 1. biogas 2. Sludge only 3. rain		b) 1. sludge 2. Biogas 3. industries
	c) 1. sewerage 2. Scum 3. houses		d) 1. scum 2. Sludge and biogas 3. hospitals

Q.7	Consider the following statements and choose the correct option: Statement 1: When we stand in front of a bonfire, we experience heat transfer primarily by conduction. Statement 2: If you touch a metal spoon that has been placed in a hot cup of tea, you will feel heat transfer from the spoon to your hand. This heat transfer is primarily due to convection.
	a) Statement 1 is correct but statement 2 is incorrect.		b) Statement 1 is incorrect but statement 2 is correct.
	c) Both the statements are correct.		d) Both the statements are incorrect.

Q.8	Fill in the blanks: The simple form of nutrients obtained after digestion gets absorbed in __(I)__. The remaining matter goes into the __(II)__ where an excess of __(III)__ is absorbed. The remaining waste is called __(IV)__ and it is pushed into the rectum where it is stored before leaving the body through the anus.
	a) (I) small, (II) rectum, (III) water, (IV) urine		b) (I) stomach, (II) small intestine, (III) nutrients, (IV) faeces
	c) (I) large intestine, (II) small intestine, (III) water, (IV) bolus		d) (I) small intestine, (II) large intestine, (III) water, (IV) faeces

Q.9	Study the given experimental set up. What will happen to the drop of fluid in the capillary tube over the next few hours?
	a) It will move away from the test tube because of oxygen output by the seeds.		b) It will move towards the test tube because of carbon dioxide intake by the seeds.
	c) It will move towards the test tube because of oxygen intake by the seeds.		d) It will not move, because carbon dioxide intake and oxygen output are equal.

Q.10	Picture 1 shows an athlete running a race and picture 2 shows a biker riding a bike on a rough mountain. What is the similarity seen between these two pictures?
	a) Both are moving in an uniform motion.		b) Both are moving in a oscillatory motion.
	c) Both are moving in a circular motion.		d) Both are moving in a non-uniform motion.

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 7 -

1. CREST Science Worksheets Package for class 7 - 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 7 - 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 7 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 7.