CREST Science Olympiad Class 8 Previous Year Paper

Is your child preparing for the Class 8 Science Olympiad? One of the most effective ways to boost their preparation is by solving previous year question papers. These papers help students get familiar with the exam format and the types of questions they can expect.

Why Use Previous Year Papers?

• They include questions from key topics such as Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals etc.
• They help students improve their accuracy, speed, and critical thinking skills.
• Answer keys are provided for self-evaluation and better understanding of concepts.

Download the Science Olympiad Previous Year Paper for Class 8 (PDF) to help your child revise more effectively and approach the exam with greater confidence.

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Syllabus:

Section 1: Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell, Reproduction and Endocrine System, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water.

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	Which of the following is the best explanation of the statement given below? Metabolism of glucose is considered as combustion.
	a) It involves reaction of glucose molecule with oxygen.		b) Products obtained are CO2 and H2O therefore it is a combustion reaction occurs at slow and steady rate.
	c) This reaction occur as rapid as combustion reaction.		d) This reaction release enormous amount of energy.

Q.2	The friction between the two surfaces does not depend which of the following?
	a) The amount of surface area of the two objects which is in contact with each other.		b) The weight of the object which tends to move on the surface of another object.
	c) The degree of smoothness of the surface of two objects in contact with each other.		d) The degree of roughness of the surface of two objects in contact with each other.

Q.3	Identify the species (of plants and animals) which are found exclusively in a particular area:
	a) Epidemic species		b) Pelagic species
	c) Pandemic species		d) Endemic species

Q.4	What happens when two bodies are rubbed against each other?
	a) They acquire equal and similar charges.		b) They acquire equal and opposite charges.
	c) They acquire different charges but in different amounts depending upon their masses.		d) They do not acquire any charge.

Q.5	Which of the following pair doesn't have the same dimensions?
	a) Force and pressure		b) Pressure and stress
	c) Impulse and momentum		d) Work and energy

Q.6	If an object in air is viewed from beneath the surface of water below, where does the object appear to be?
	a) The object appears above its true position.		b) The object appears exactly at is true position.
	c) The object appears below its true position.		d) The object cannot be viewed from beneath the water's surface.

Q.7	Choose the correct option and complete the following sentence: The method of zone refining of metals is based on the principle of _____________________.
	a) higher melting point of the impurity than that of the pure metal		b) greater mobility of the pure metal than that of the impurity
	c) greater solubility of the impurity in the molten state than in the solid		d) greater noble character of the solid metal than that of the impurity

Q.8	Which of the following is/are a nitrifying bacterium? Nitrosomonas  Pseudomonas Nitrobacter Lactobacillus
	a) Only 1		b) Both 1 and 4
	c) Both 2 and 4		d) Both 1 and 3

Q.9	Match List I (Fuel gases) with List II (Major constituents) and select the correct answer using the codes given below: List I (Fuel Gas) List II (Major Constituent) A. CNG 1. Carbon monoxide, hydrogen B. Coal gas 2. Butane, propane C. LPG 3. Methane, ethane D. Water gas 4. Hydrogen, methane, carbon monoxide
	a) A-2, B-1, C-3, D-4		b) A-3, B-4, C-2, D-1
	c) A-2, B-4, C-3, D-1		d) A-3, B-1, C-2, D-3

Q.10	Which of the following is known as the weak zone around the boundaries of plates underneath the earth, which are prone to slide and cause an earthquake?
	a) Fault zone		b) Eruption zone
	c) Explosive zone		d) Sliding zone

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 8 -

1. CREST Science Worksheets Package for class 8 - 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 8 - 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 8 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 8.