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.

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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

Sample Questions

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

Ron placed an object at a distance 2 m from a plane mirror. He then shifted the object 0.5 m away from the mirror. What is the distance between the object and its image?

Q.2

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

Q.3

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.4

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.5

When the angle between two plane mirrors is 60o, how many multiple images will be formed by the mirrors?



Q.6

During a lab experiment, Mark used a dye to stain a cell to observe its various structures. Which cellular structure would likely appear colorless or transparent due to this staining process?

Q.7

Susan was walking on ice, her mother advised her to take smaller steps to avoid slipping. Which of the following could be the reason for the smaller steps?

Q.8

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.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?

Q.10

Fill in the blank:

For showing the full image of an object, the size of the plane mirror should be at least ____________.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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