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

Q.2

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.3

Read the following statements and choose the correct option:

Statement 1: The antibiotic penicillin inhibits the growth of bacteria by blocking the process which helps to build its cell membrane.

Statement 2: The cell membrane is selectively permeable because it allows the movement of certain molecules in and out of the cell while the movement of other molecules is prevented.

Q.4

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

Q.5

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.6

Choose the correct option and complete the following sentence:

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

Q.7

In the following question, an assertion and reason are given. Choose the correct option:
Assertion: Fungi are a large group of organisms which do not photosynthesise.
Reason: All fungi are generally made up of fine threads called hyphae.

Q.8

The diagram shows the process of purification of copper metal. A thick copper plate A of impure copper and a thin pure copper plate B are immersed in a metal sulphate solution and an electric current is passed through it.
1. Which metal solution is taken as electrolyte?
2. Which electrode is connected to the positive terminal of the battery?



Q.9

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

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

Q.10

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
B. Glass rod
C. Dry hair
D. Silk cloth

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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