CREST Science Olympiad Class 5 Previous Year Paper

Want to help your child do well in the Class 5 Science Olympiad? One of the most effective ways is to practise with previous year question papers. These papers are not just about answering questions-they help children understand the exam pattern, revise important topics, and build confidence.

Why Practise with Previous Year Papers?

  • They include questions from key topics like Animals, Human Body and Health, Plants, Natural Resources etc.
  • They train students to manage time efficiently while solving challenging questions.
  • Each paper comes with an answer key to help track progress and learn from mistakes.

Download the Science Olympiad Previous Year Paper for Class 5 (PDF) and help your child approach the exam with better preparation and less stress.

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Syllabus:

Section 1: Animals, Human Body and Health, Plants, Natural Resources, Pollution and Calamities, Earth and Universe, Matter, Force, Work and Energy.

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

Which of the following characteristic feature is not that of a frog?
1. They use their lungs to breathe when on land.
2. They move in water with the help of their paddle-like limbs.
3. They swim with the help of their webbed feet.
4. They have a long and sticky tongue used to catch insects.
5. They absorb oxygen from the water through their moist skin.

Q.2

Select the incorrect pair(s) from the following:
1. Venus - Morning or evening star
2. Saturn - Coldest planet
3. Jupiter - Largest planet
4. Mercury - Smallest planet

Q.3

Samarth kept a bottle filled with water in the freezer. After a few hours, he was thirsty and he took out the bottle to drink water. He found that water has changed into ice (Process 1). He left aside the bottle and after some time, he noticed that the ice in the bottle has changed to water again (Process 2).
Identify the change that has taken place in the above two processes:

Q.4

Read the following statements and choose the correct option:

1. Over-grazing promotes soil erosion.
2. Sun is the origin of energy that drives the water cycle.

Q.5

Which of the following statements about forces are correct?
A. The further the object is from the Earth, the smaller is its mass.
B. An object with a smaller mass has a smaller gravitational force acting on it.
C. An object which is thrown upwards will eventually fall down due to the pull of gravity.
D. The amount of force needed a lift an object depends on the size of the object.

Q.6

The diagram below shows how some animal groups are classified. Which of the following statements about the animal group below is definitely true?

Q.7

Winona felt cold when she got out of the swimming pool. Why? 

Q.8

Read the statement given below and identify X:
When the moon comes between the Sun and the Earth and casts the darkest part of its shadow on Earth, it is called 'X'.

Q.9

Which of the following actions will help to reduce pollution?
1. Using sewers and treatment plants to remove human waste.
2. Restricting smoking in public to designated areas.
3. Spraying pesticides on plants to kill pests.

Q.10

Communicable diseases pass from one person to another through different modes of transmission. Which of the following disease cannot spread through the mode of transmission as shown in the figure below?



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Answers to Previous Year Questions from CREST Olympiads:

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

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 5 -

  1. CREST Science Worksheets Package for class 5 - 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 5 - 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 5 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 5.

Answers to Previous Year Questions from CREST Olympiads:

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

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