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

Q.1

Q.2

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Q.5

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Q.10

Q.1	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.2	Fill in the blanks: 1. We should bow down on knees protecting our head and neck using arms to protect ourselves from a _______________. 2. The safest place to take shelter when a storm is accompanied by lightning is _______________.
	a) 1. earthquake 2. under a tree		b) 1. tornado 2. in a car or a bus
	c) 1. hurricane 2. on a tree		d) 1. flood 2. under a table

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	Look at the pictures shown below and identify the similarity between them correctly:
	a) Both are chemical changes.		b) Both are physical changes.
	c) Both show rusting.		d) Both show crystallisation.

Q.5	Kevin's teacher asked him to identify the correct order of the processes listed below to purify water and make it safe for drinking. (i) Filtration (ii) Sedimentation (iii) Chlorination (iv) Addition of chemicals Which of the following is the correct order that Kevin arranged?
	a) (i), (iii), (iv), (ii)		b) (iv), (ii), (i), (iii)
	c) (ii), (iv), (i), (iii)		d) (iii), (ii), (iv), (i)

Q.6	Choose the INCORRECT statement from the following options related to photosynthesis:
	a) Green plants synthesise their food themselves by the process of photosynthesis. They are autotrophs.		b) Algae can also prepare their own food by the process of photosynthesis.
	c) Desert plants cannot carry out photosynthesis.		d) Plants with red and brown leaves can also prepare their own food.

Q.7	In a desert climate, plants often have adaptations to conserve water. What is a common adaptation in desert plants?   1. Broad leaves for maximum sunlight absorption 2. Thick, waxy skin to reduce water loss 3. Rapid growth during rainy seasons 4. Shallow root systems for quick water absorption
	a) Only 1		b) Only 2
	c) Both 2 and 3		d) Both 3 and 4

Q.8	Name the part marked 'X' in the organism shown below:
	a) Spiracles		b) Tracheae
	c) Diaphragm		d) Gills

Q.9	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.10	In symbiosis two organisms live together and get benefit from each other which is mutually beneficial to both. Which of the following show this type of relationship?
	a) Pitcher plant		b) Cuscuta
	c) Lichens		d) None of these

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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 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.