CREST Science Olympiad Class 8 Sample Paper

Strengthen your child's Science Olympiad preparation with the Class 8 sample paper. It's designed to help students practise key topics and understand the question format.

What's Included?

  • MCQs covering essential Class 8 science concepts.
  • Two sections: Practical Science & Achiever's Section.
  • Answer key with explanations for self-assessment.

Download Class 8 Science Olympiad Sample Paper (PDF)

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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

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.

Q.2

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:

Q.3

What benefit does yeast gain from carrying out fermentation?

Q.4

What happens in the following reaction?

Fe2O3 + 3C → 2Fe + 3CO

Q.5

Why is just one side of the Moon visible from Earth?

Q.6

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.7

Which one of the following is the correct sequence of the reactivity order of the elements?

Q.8

Which of the following is correct definition of ignition temperature?

Q.9

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?

Q.10

In the following question, an assertion and a reason are given. Choose the correct option:

Assertion: The forces acting on a body can be replaced by the resultant force only as regards the motion of the body as a whole.

Reason: The resultant force cannot replace the several forces acting on a body in other respects.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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