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
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
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.3
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.4
Fill in the blank:
To a small quantity of X, few drops of HCl are added. Consequently, colourless, odourless gas is produced. This gas on passing through lime water turns it milky proving the presence of ____________ of X.
Q.5
Which of the following statement(s) is not correct?
Q.6
When the angle between two plane mirrors is 60o, how many multiple images will be formed by the mirrors?
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
Which of the following pairs cannot undergo displacement reaction?
Q.9
Four students made the following statements about the metals:
Robert: Metals are malleable.
Arya: All metal oxides are acidic in nature.
James: Metals have lustre.
Peter: Metal atoms have 1, 2 or 3 electrons in the outermost shell.
Which among them spoke incorrectly?
Q.10
Which one of the following is the correct sequence of the reactivity order of the elements?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
c
Q.3
d
Q.4
d
Q.5
a
Q.6
a
Q.7
a
Q.8
b
Q.9
b
Q.10
d
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 : a | Q.2 : c | Q.3 : d | Q.4 : d | Q.5 : a | Q.6 : a | Q.7 : a | Q.8 : b | Q.9 : b | Q.10 : d
