CREST Science Olympiad Class 8 Previous Year Papers

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

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 pairs cannot undergo displacement reaction?

Q.2

Choose the correct option and complete the following sentence:

A lightning conductor installed in a building ________________.

Q.3

Consider the following statements about the physical and chemical properties of metals and choose the correct option:

1. All metals are ductile.
2. Generally metals are ductile.
3. Metals which are more reactive than hydrogen react with acids to release hydrogen gas.
4. All metals react with acids to release hydrogen gas.

Q.4

Stars twinkle but planets do not twinkle.

Which of the following is the correct reason for the above-given statement?

Q.5

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?

Q.6

What happens in the following reaction?

Fe2O3 + 3C → 2Fe + 3CO

Q.7

Choose the correct option and complete the following sentence:

The formation of sulphur trioxide from sulphur dioxide and oxygen is an ____________ reaction.

Q.8

Which of the following is correct definition of ignition temperature?

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.

Q.10

Which of the following statement(s) is not correct?

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

Q.1bQ.2dQ.3bQ.4cQ.5bQ.6bQ.7cQ.8bQ.9dQ.10a

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.

Answers to Previous Year Questions from CREST Olympiads:

Q.1 : b | Q.2 : d | Q.3 : b | Q.4 : c | Q.5 : b | Q.6 : b | Q.7 : c | Q.8 : b | Q.9 : d | Q.10 : a

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