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 during ovulation? A. Sperms not available for fertilisation B. Oviducts blocked C. Sperms available for fertilisation D. Oviducts not blocked
Q.2
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?
Q.3
Stars twinkle but planets do not twinkle.
Which of the following is the correct reason for the above-given statement?
Q.4
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
Q.5
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.6
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.7
Which of the following shows the correct sequence (in the increasing order) of heat energy received per unit area from the Sun measured on Earth, Mars and Jupiter?
Q.8
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.9
Which of the following statement(s) is not correct?
Q.10
Fill in the blank:
A duster rests on a table, exerting a downward force on the table. The reaction to this force is _____________.
Answers to Previous Year Questions from CREST Olympiads:
Q.1
a
Q.2
c
Q.3
c
Q.4
b
Q.5
b
Q.6
c
Q.7
a
Q.8
a
Q.9
a
Q.10
b
Students can download the CREST Science Olympiad previous year paper pdf for class 8 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.
One of the most significant advantages of solving the past years’ papers is that it helps students improve their time management skills, strengthens their understanding of concepts and aids them in applying the concepts they have mastered. Also, solving previous years’ papers a few days before the exam can help students to revise the concepts quickly. Therefore, students must refer to previous years' papers before appearing for the final exam as many advantages are associated with it.
Additional Preparation Resources
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 8 -
CREST Science Worksheets Package for class 8 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
CREST Science Olympiad book for class 8 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 8 for free.
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 8.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : a | Q.2 : c | Q.3 : c | Q.4 : b | Q.5 : b | Q.6 : c | Q.7 : a | Q.8 : a | Q.9 : a | Q.10 : b
