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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 |
Which of the following shows the correct sequence (in the increasing order) of heat energy received per unit area from the Sun measured on Earth, Mars and Jupiter? |
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Q.2 |
Which one of the following is the correct sequence of the reactivity order of the elements? |
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Q.3 |
What happens when light emitted by a point source of light is passed through a prism? |
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Q.4 |
Fill in the blank: When an iron nail gets rusted, iron oxide is formed _____________. |
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Q.5 |
Which of the following can lead to menstruation in a 21-year-old woman after ovulation? |
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Q.6 |
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.7 |
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.8 |
What happens when an impure copper rod is taken as the anode and the pure copper rod is taken as the cathode in an electrolysis experiment? |
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Q.9 |
In the given question, an assertion and a reason are given. Choose the correct option: Assertion: The temperature increases inside the fractionating column on going from the bottom to the top. Reason: The column is not heated at the bottom. |
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Q.10 |
Identify the group(s) which contain all synthetic substances:
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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 : d | Q.3 : b | Q.4 : b | Q.5 : a | Q.6 : a | Q.7 : b | Q.8 : b | Q.9 : d | Q.10 : c