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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
Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
What happens when light emitted by a point source of light is passed through a prism? |
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Q.2 |
Arrange the different types of coal in the decreasing order of the quality of coal: (1) Lignite |
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Q.3 |
Fill in the blank: To a small quantity of X, few drops of HCl are added. Consequently, colourless, odourless gas is produced. This gas on passing through lime water turns it milky proving the presence of ____________ of X. |
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Q.4 |
The sound produced by a tuning fork travel from air to glass. Which of the following physical quantities remains the same?
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Q.5 |
A force of 16 N is distributed uniformly on one surface of a cube of edge 4 m. Find the pressure on this surface: ![]() |
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Q.6 |
Fill in the blank: Equal force F acts on isolated bodies A and B as shown. The mass of B is three times that of A. The magnitude of the acceleration of A is ___________. ![]() |
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Q.7 |
When a ray of light strikes a plane mirror at an angle of 15o with the mirror, what will be the angle of reflection of the ray? |
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Q.8 |
Stars twinkle but planets do not twinkle. Which of the following is the correct reason for the above-given statement? |
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Q.9 |
The pressure at a certain depth in river water is p1 and at the same depth the pressure in seawater is p2. Given that the density of seawater is greater than that of river water. Identify the correct relation between p1 and p2: |
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Q.10 |
Fill in the blank: A duster rests on a table, exerting a downward force on the table. The reaction to this force is _____________. |
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Your Score: 0/10
Students can download the CREST Science Olympiad previous year paper pdf for class 8 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.
One of the most significant advantages of solving the past years’ papers is that it helps students improve their time management skills, strengthens their understanding of concepts and aids them in applying the concepts they have mastered. Also, solving previous years’ papers a few days before the exam can help students to revise the concepts quickly. Therefore, students must refer to previous years' papers before appearing for the final exam as many advantages are associated with it.
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 8 -
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 8.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : a | Q.3 : d | Q.4 : b | Q.5 : a | Q.6 : a | Q.7 : c | Q.8 : c | Q.9 : c | Q.10 : b