CREST Science Olympiad Class 8 Sample Papers

Sample PDF of CREST Science Olympiad for Class 8:


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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

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.2

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.3

Fill in the blank:

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

Q.4

What benefit does yeast gain from carrying out fermentation?

Q.5

Match the Column I with Column II:

Column I Column II
P. Binary fission i. Spirogyra
Q. Budding ii. Yeast
R. Fragmentation iii. Low organisms
S. Vegetative propagation iv. Aphids
T. Parthenogenesis v. Sugarcane

Q.6

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.7

An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m s-1?

Q.8

Different microorganisms taking part in the nitrogen cycle are:
(i) Rhizobium in roots
(ii) Ammonifying bacteria
(iii) Nitrifying bacteria
(iv) Denitrifying bacteria
Which of them strictly work under anaerobic conditions?

Q.9

Fill in the blank:

A duster rests on a table, exerting a downward force on the table. The reaction to this force is _____________.

Q.10

Choose the correct option and complete the following sentence:

A lightning conductor installed in a building ________________.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Are you a student who is participating this time in the CREST Science Olympiad? Science Olympiad previous years’ question papers for class 8 is one of the best ways to summarise your months of Olympiad exam preparation. Students can use these sample papers to assess what they've studied for the exam. It acts as a mirror, reflecting candidates' weak and strong points. Students can download the Science Olympiad sample papers for class 8 for free on this page. Get a hold of these.

Science Olympiad questions have numerous advantages. It gives an indication of the types of questions that will be asked in the actual exam. Always remember to include sample papers practice in your Olympiad exam preparation guide.

Answers to Sample Questions from CREST Olympiads:

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

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