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	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.2	Stars twinkle but planets do not twinkle. Which of the following is the reason for the above-given statement?
	a) Stars emit their own light but planets receive light from the stars.		b) Stars do not form a part of the solar system.
	c) Stars form a point source of light while planets are considered as a collection of a large number of point sources of light.		d) During refraction of starlight from the atmosphere, starlight bends more towards the normal as compared to the planets.

Q.3	Which of the following statement is/are false? Cellulose is made up of glucose units. Weaving and knitting are two processes to get plastic. Plastics get corroded easily. Plastics are not polymers.
	a) Only 1		b) 2 and 3
	c) 1 and 3		d) 2, 3 and 4

Q.4	In a container (cross-sectional area A) a homogeneous solid cylinder of length L (L < H/2) as shown in the figure), cross-sectional area A/5 is immersed such that it floats with its axis vertical at the liquid-liquid surface with length L/4 in the denser liquid (density = 2d) as shown in the figure. The lower density liquid (density = d) is open to the atmosphere. The density D of solid is given by:
	a) 4d/5		b) 4d
	c) 5d/4		d) d/5

Q.5	The Kyoto Protocol is associated with: reduction in the use of chlorofluorocarbons reduction in the emission of greenhouse gases reduction in the cutting of forest trees reduction in pollution of fresh water sources
	a) Only 1		b) Only 2
	c) Both 2 and 4		d) Both 1 and 3

Q.6	Consider the following statements and choose the correct option: 1. Red blood cells do not have nuclei so they can move through blood vessels more efficiently. 2. Every person has a unique DNA that can be found in the cells' nuclei. 3. Only some plant cells have cell walls. 4. Sperm cells are produced by the male reproductive system while the egg cells are produced by the female reproductive system.
	a) Only 1 and 2 are correct		b) Only 1 and 3 are correct
	c) 1, 2 and 4 are correct		d) 1, 2, 3 and 4 are correct

Q.7	A boy runs his toy car on a dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be:
	a) Wet marble floor < Dry marble floor < Towel < Newspaper		b) Newspaper < Towel < Dry marble floor < Wet marble floor
	c) Towel < Newspaper < Dry marble floor < Wet marble floor		d) Wet marble floor < Dry marble floor < Newspaper < Towel

Q.8	An incident ray strikes a plane mirror at an angle of 15o with the mirror. Identify the angle between the incident ray and reflected ray:
	a) 15o		b) 30o
	c) 150o		d) None of these

Q.9	What happens when the ends of metal wire are not connected to a battery?
	a) Electrons move in random directions		b) Electrons move from negative electrode to positive electrode
	c) Electrons move from positive electrode to negative electrode		d) Protons move in random direction in such a way that their net movement in a unit volume is zero

Q.10	Which of the following can change its shape? I. Amoeba II. Neuron III. WBC
	a) I only		b) I and II
	c) I and III		d) I, II, III

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.