CREST Science Olympiad Class 7 Previous Year Paper

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

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	State whether the following statements are true or false: 1. Potatoes are mainly propagated by a vegetative method called cloning. 2. Potato tubers have nodes or eyes from which the new growth begins. The new stems growing from each eye are called sprouts which give rise to the new plant.
	a) 1. False 2. True		b) 1. True 2. True
	c) 1. False 2. False		d) 1. True 2. False

Q.2	Look at the picture given below and identify the step shown that takes place in the processing of wool:
	a) Ginning		b) Sorting
	c) Scouring		d) Shearing

Q.3	Which of the following pairs is a correct match? 1. Budding - Bryophyllum 2. Fragmentation - Spirogyra 3. Spore formation - Rose 4. Vegetative Propagation - Fern
	a) Both 1 and 4		b) Both 1 and 2
	c) Both 2 and 3		d) Both 3 and 4

Q.4	Fill in the blank: A few petals of China rose was taken in a beaker. Some water was added and the beaker was heated until the water in it became warm. The mixture was kept for some time until the water became coloured. The given samples were tested with China rose indicator to find if they are acidic, basic or neutral. The indicator gave different colours in different media. The given samples were lemon juice, soap solution, distilled water, sugar solution, limewater, curd and window cleaner. The indicator gave green colour with ________________.
	a) soap solution, limewater and window cleaner		b) lemon juice, distilled water, sugar solution
	c) lime water, curd, window cleaner		d) soap solution, lemon juice, sugar solution

Q.5	A car travels with a uniform speed of 60 km/h. What would be the time taken to travel a distance of 360 km?
	a) 6 minutes		b) 60 minutes
	c) 360 minutes		d) 20 minutes

Q.6	Read the statements and state whether they are true or false: A convex lens can form a real and inverted image. A concave lens always forms erect, virtual and smaller image than the object.
	a) 1. True 2. False		b) 1. True 2. True
	c) 1. False 2. False		d) 1. False 2. True

Q.7	Read the statements given below: Statement 1 - Factory wastes are treated with calcium chloride to neutralize the acid. Statement 2 - Magnesium hydroxide is used as an antacid to neutralize the excessive acidity in the stomach. Statement 3 - Common salt neutralizes the acid in the stomach. Which of the above statements are false?
	a) Statements 1 and 2		b) Statements 1 and 3
	c) Statements 2 and 3		d) All - Statements 1, 2 and 3

Q.8	Look at the picture given below and identify the acid present in curd:
	a) Tartaric acid		b) Acetic acid
	c) Ascorbic acid		d) Lactic acid

Q.9	Choose the INCORRECT statement from below related to effective safety measures taken against cyclone: One of the effective safety measures taken against cyclones by the government is the construction of cyclone shelters in the cyclone-prone areas. People should avoid driving on roads through standing water as floods due to cyclone would have damaged the roads. If we are staying in a cyclone hit area then we need not store drinking water for emergencies.
	a) Statement 1		b) Statement 2
	c) Statement 3		d) Both statements 1 and 2

Q.10	Match the acids with their uses: Acid Use 1. Benzoic acid  a. As an eyewash, antiseptic and grain preservation               2. Oxalic acid b. For making explosives 3. Nitric acid c. In food preservation 4. Boric acid d. Soft drinks to give it fizz 5. Carbonic acid e. As a constituent of ink stain remover
	a) 1-(a), 2-(e), 3-(b), 4-(d), 5-(c)		b) 1-(c), 2-(e), 3-(b), 4-(a), 5-(d)
	c) 1-(d), 2-(c), 3-(b), 4-(a), 5-(e)		d) 1-(b), 2-(a), 3-(d), 4-(e), 5-(c)

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.