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

Which of the following can lead to menstruation in a 21-year-old woman after ovulation?
A. Sperms not available for fertilisation
B. Oviducts blocked
C. Sperms available for fertilisation
D. Oviducts not blocked

Q.2

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.3

Choose the correct option and complete the following sentence:

A lightning conductor installed in a building ________________.

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 ___________.



Q.5

In heavy vehicles, diesel is used as a fuel. Which of the following could be the reason for this?

Q.6

Arrange the different types of coal in the decreasing order of the quality of coal:

(1) Lignite
(2) Peat
(3) Anthracite
(4) Bituminous

Q.7

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.

Q.8

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.9

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.

Q.10

Consider the following statements and choose the correct option:

Statement 1: The ignition temperature of white phosphorus is nearly equivalent to the temperature of the earth.

Statement 2: Combustion of fuel by motor vehicles is an example of spontaneous combustion.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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