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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 |
Why is just one side of the Moon visible from Earth? |
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Q.2 |
Choose the correct option and complete the following sentence: The formation of sulphur trioxide from sulphur dioxide and oxygen is an ____________ reaction. |
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Q.3 |
In the given question, an assertion and reason are given. Choose the correct option: Assertion: Animals like camels walk easily in deserts as broad feet exert less pressure on sandy ground. Reason: Pressure decreases with an increase in surface area. |
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Q.4 |
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.5 |
Consider the following statements about the physical and chemical properties of metals and choose the correct option: 1. All metals are ductile. |
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Q.6 |
An elephant has a mass of 3000 kg. Each of its foot has a surface area of 0.4 m2. A lady of mass 45 kg wears stiletto shoes. Each of the stiletto heels has a surface area of 0.01 m2. Assuming there is the equal distribution of mass on each foot. |
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Q.7 |
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.8 |
Different microorganisms taking part in the nitrogen cycle are: |
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Q.9 |
A plastic comb is rubbed with dry hair whereas a glass rod is rubbed with a piece of silk cloth. Which of these will get positively charged? A. Plastic comb |
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Q.10 |
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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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 : c | Q.3 : a | Q.4 : a | Q.5 : b | Q.6 : b | Q.7 : b | Q.8 : a | Q.9 : b | Q.10 : b