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
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.2
Choose the correct option and complete the following sentence:
A lightning conductor installed in a building ________________.
Q.3
In heavy vehicles, diesel is used as a fuel. Which of the following could be the reason for this?
Q.4
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.5
What happens in the following reaction?
Fe2O3 + 3C → 2Fe + 3CO
Q.6
Stars twinkle but planets do not twinkle.
Which of the following is the correct reason for the above-given statement?
Q.7
Identify the group(s) which contain all synthetic substances:
P)
Nylon, Terylene, Wool
Q)
Acrylic, Silk, Wool
R)
Cotton, Polycot, Rayon
S)
PVC, Polythene, Bakelite
Q.8
Which of the following pairs cannot undergo displacement reaction?
Q.9
Fill in the blank:
For showing the full image of an object, the size of the plane mirror should be at least ____________.
Q.10
When a ray of light strikes a plane mirror at an angle of 15o with the mirror, what will be the angle of reflection of the ray?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
c
Q.2
d
Q.3
c
Q.4
b
Q.5
b
Q.6
c
Q.7
c
Q.8
b
Q.9
b
Q.10
c
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 : c | Q.2 : d | Q.3 : c | Q.4 : b | Q.5 : b | Q.6 : c | Q.7 : c | Q.8 : b | Q.9 : b | Q.10 : c
