CREST Science Olympiad Class 7 Sample Papers

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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

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


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?


Which of the following devices do not use the magnetic effect of electric current?


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.


What will be the climate of a place where there is very less rainfall and high temperature throughout the year?


Given below are pictures of corn, papaya and cucumber. Identify the similarity between them correctly:


Look at the figure given below and answer the following question:
What are the labelled parts called in an yeast? (plural form)


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.


Rohan took two salts A and B in two test tubes I and II, respectively, and subjected them to heating. After that, he added water to the two test tubes, in test tube I salt regained its original colour and in test tube II water started boiling. Identify A and B:


Read the passage given below and fill in the blank:

A few plants and all animals are dependent on others for their nutrition and are called heterotrophs. Plants like ___________ are parasites. They take food from the host plant.


Select the correct statement(s):

1. Manures and fertilizers are added to increase the fertility of the soil.
2. Sun is the ultimate source of energy for all living organisms.
Cells of the pitcher of Nepenthes plant secrete digestive juices to digest the insect.

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Answers to Sample Questions from CREST Olympiads:


Answers to Sample Questions from CREST Olympiads:

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