CREST Science Olympiad Class 7 Sample Paper

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Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

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Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10


Two children are standing in front of a plane mirror as shown. When the child A looks into the mirror, how far away from him will image of child B appear to be?


A motor car travels with a speed v1 from A to B and returns back from B to A with a speed v2. What is the average speed of the car during its journey?


In symbiosis two organisms live together and get benefit from each other which is mutually beneficial to both. Which of the following show this type of relationship?


A person sitting in open car moving at constant velocity throws a ball vertically upwards in air. If effect of air resistance is neglected, the ball will fall:


Choose the INCORRECT statement from the following options related to photosynthesis:


When you pour hot tea suddenly into a glass tumbler, it cracks.

Which of the following could be the reason for the above-given statement?


Fill in the blanks:
1. The light material which floats during wastewater treatment is _______________.
2. _______________ is produced during wastewater treatment.
3. Wastewater from ______________ may contain radioactive materials.


Fill in the blank:

_________________ helps in the efficient supply of oxygen to all the cells of the body.


Which of the following is/are chemical change(s)?

  1. Formation of clouds
  2. Formation of rust
  3. Tearing of a paper
  4. Formation of black coating on the walls of the tube light


Read the statements below and choose the correct one:
1. Eucalyptus trees release pure water vapour into the atmosphere if planted along sewage ponds.
2. Cooking oil and fats if thrown in drains harden and block pipes.
3. Open drains overflow in the rainy season and is a breeding place of flies and mosquitoes.

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Answers to Sample Questions from CREST Olympiads:


The CREST Science Olympiad is an international Olympiad exam. This exam requires efficient preparation to achieve good grades in the examination. Practicing Science Olympiad previous years’ question papers for class 7 is one of the best techniques to excel in preparation. These papers help students obtain a better grasp of the types of questions, patterns, and so on. Atleast attempt sample papers for the past few years before appearing for the final exam. Participants can download Science Olympiad previous year paper from this page. 

Answers to Sample Questions from CREST Olympiads:

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