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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 |
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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Q.2 |
Four students made the following statements about the metals: Robert: Metals are malleable. Arya: All metal oxides are acidic in nature. James: Metals have lustre. Peter: Metal atoms have 1, 2 or 3 electrons in the outermost shell. Which among them spoke incorrectly? |
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Q.3 |
In heavy vehicles, diesel is used as a fuel. Which of the following could be the reason for this? |
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Q.4 |
Which of the following problem is not related to our environment? |
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Q.5 |
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.6 |
Different microorganisms taking part in the nitrogen cycle are: |
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Q.7 |
What happens in the following reaction? Fe2O3 + 3C → 2Fe + 3CO |
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Q.8 |
Arrange the different types of coal in the decreasing order of the quality of coal: (1) Lignite |
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Q.9 |
James noticed that a flame produced by burning wood is orange-yellow, while a Bunsen burner flame is blue. What is the primary reason for this difference in flame colour? |
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Q.10 |
Identify the element as per the following statement: An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. |
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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 : b | Q.3 : c | Q.4 : a | Q.5 : b | Q.6 : a | Q.7 : b | Q.8 : a | Q.9 : b | Q.10 : a