CREST Science Olympiad Class 7 Sample Paper

Make Olympiad preparation easier with the Class 7 Science sample paper. It helps students practise the right questions and understand the exam format.

What's Included?

  • MCQs based on important Class 7 science topics.
  • Two sections: Practical Science & Achiever's Section.
  • Answer key with clear explanations for quick learning.

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Syllabus:

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

Sample Questions

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

Q.1

Consider the following statements and choose the correct option:
Statement 1: During a chemistry demonstration, the teacher combined hydrogen gas with oxygen gas to form water. This is an example of reversible physical change.
Statement 2: Jack conducted an experiment where he mixed vinegar (acetic acid) and baking soda (sodium bicarbonate), resulting in fizzing and the formation of carbon dioxide gas. This is an example of irreversible physical change.

Q.2

Match column I with column II and select the correct option from the codes given:

Column I Column II
1. Shearing a. Washing sheared skin to remove dirt
2. Scouring b. Removal of fleece of sheep
3. Sorting c. Anthrax
4. Fatal blood disease d. Hair of different textures separated

Q.3

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.

Q.4

What happens when a synthetic fiber like polyester is burned?

A. It melts and drips
B. It produces a pleasant fragrance
C. It produces a black, sooty smoke
D. It ignites with a bright flame

Q.5

Physical changes are temporary and can be easily reversed to their previous form.
Which of the following physical changes is not a reversible change?

Q.6

What is the labelled part A called?

Q.7

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?



Q.8

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



Q.9

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.

Q.10

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

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

Q.1dQ.2cQ.3dQ.4aQ.5aQ.6aQ.7aQ.8bQ.9dQ.10c

Answers to Sample Questions from CREST Olympiads:

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

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