CREST Science Olympiad Class 9 Previous Year Paper

Preparing for the Class 9 Science Olympiad can feel challenging, but using previous year question papers makes a big difference. These papers give students a solid understanding of how questions are framed and what topics to focus on, making revision more targeted.

How These Papers Help

  • They cover crucial topics such as Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound etc.
  • They improve time management, analytical thinking, and help students handle tricky questions more confidently.
  • Answer keys are included to help students review and strengthen weak areas.

Download the Science Olympiad Previous Year Paper for Class 9 (PDF) to support focused revision and help your child step into the exam feeling well-prepared and motivated.

>>> Join CREST Olympiads WhatsApp Channel for latest updates. CREST Science Olympiad Previous Year Paper PDF for Class 9:


If your web browser doesn't have a PDF Plugin. Instead you can Click here to download the PDF

Syllabus:

Section 1: Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell - The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, Improvement in Food Resources.

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

Previous Year Questions

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

Q.1

Choose the correct option and complete the following sentence:

Rohan lives in an overcrowded and poorly ventilated house, it is possible that he may suffer from the _________________ diseases.

Q.2

Which of the following electronic configurations is/are correct?

Q.3

A solid piece of lead experiences certain upthrust. What happens to the upthrust acting on the lead piece when it is shaped into a hollow cube and placed in the same liquid?

Q.4

What is the function of chloroplast in plants?

Q.5

In the following question, an assertion and the reason are given. Choose the correct option:

Assertion: The motion of a body moving in a circular path with constant speed is an example of constant acceleration.
Reason: Acceleration varies due to change in direction.

Q.6

A mixture of gases with a pressure of 800 mm Hg contains 10% oxygen and 90% nitrogen by volume. What is the partial pressure of the oxygen gas in the mixture?

Q.7

If different planets have the same density but different radii, then the acceleration due to gravity on the surface of the planet is related to the radius (R) of the planet as:

Q.8

What happens when green tomatoes turn into the red?

Q.9

Which of the following solutions will have the greatest concentration?

Q.10

Consider the following statements and choose the correct option:

  1. Only liquid phase is present after mixing a teaspoon of solid sugar in a glass of liquid water.
  2. A saturated solution can be converted into unsaturated by increasing temperature.
  3. Clouds are an example of solid in gas solution.

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

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

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -

  1. CREST Science Worksheets Package for class 9 - 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
  2. CREST Science Olympiad book for class 9 - 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 9 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 9.

Answers to Previous Year Questions from CREST Olympiads:

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

70%