CREST Science Olympiad Class 8 Sample Papers

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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

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



Q.2

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

Q.3

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.4

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.5

Which of the following is correct definition of ignition temperature?

Q.6

Identify the element as per following statement:

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. 

Q.7

Four classmates were having a discussion about the correct way for sowing seeds. This is what they said:

Rahul: Seeds should be sown at right intervals.

Suresh: Seeds should be sown at the right depth.

Deepak: Seeds should be sown in dry soil.

Rajni: Seeds should not be sown in highly wet soil.

Which of them was/were incorrect?

Q.8

An elephant has a mass of 3000 kg. Each of its foot has a surface area of 0.4 m2. A lady of mass 45 kg wears stiletto shoes. Each of the stiletto heels has a surface area of 0.01 m2. Assuming there is the equal distribution of mass on each foot.
Calculate the maximum possible pressure that could be exerted by a stiletto heel worn by the lady:

Q.9

Choose the correct option and complete the following sentence:

A lightning conductor installed in a building ________________.

Q.10

Select the incorrect statement:

Your Score: 0/10


Sample PDF of CREST Science Olympiad for Class 8:


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Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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