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

Sample Paper Previous Year Paper Marking Scheme Free Study Material

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.
	a) 3 only		b) 2 only
	c) Both 1 and 3		d) Both 4 and 5

Q.2	In the pictures given below we can see the seeds of martynia and xanthium. Identify the agent of seed dispersal from the given options:
	a) Wind		b) Animals/Birds
	c) Water		d) Fruits burst with a sudden jerk

Q.3	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?
	a) Scurvy		b) Influenza
	c) Diphtheria		d) Chicken-pox

Q.4	Read the passage below carefully and identify X and Y correctly: X is the portion of the Moon's shadow where the moon completely covers the sun whereas Y is the area of the shadow where only a portion of the moon is in the front of the sun.
	a) X- Umbra and Y - Penumbra		b) X - Penumbra and Y - Umbra
	c) X - Solar Eclipse and Y - Lunar eclipse		d) X - Rotation and Y - Eclipse

Q.5	Which statement best describes the roles of snow and rain in the water cycle?
	a) They are both precipitations, but snow generally evaporates more quickly.		b) They are both precipitations, but snow generally takes longer to run off and rejoin groundwater.
	c) Rain is precipitation but snow is a condensate, so they occupy different positions in the water cycle.		d) Snow is precipitation but rain is a product of transpiration, so they occupy different positions in the water cycle.

Q.6	When a volcano erupts, a lot of ash can enter the air. The ash in the air may block sunlight for a long time. Which organisms would most likely be affected first when this happens?
	a) Parasite		b) Consumer
	c) Decomposer		d) Producer

Q.7	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.
	a) Statement 1 is correct and statement 2 is incorrect		b) Statement 1 is incorrect and statement 2 is correct
	c) Both the statements are correct		d) Both the statements are incorrect

Q.8	What is the similarity seen between the two plants shown below?
	a) Both are plants that grow in marshy areas.		b) Both are plants that are rooted and grow underwater.
	c) Both these plants trap insects.		d) Both these plants are free-floating growing on the surface of the water.

Q.9	If a helicopter loses engine power at a sufficient height and speed, it is able to autorotate to the ground, extracting energy from the air and, sometimes, landing safely. In this case, gravitational potential energy is converted into what type of energy? 1. Kinetic energy 2. Rotational energy 3. Rotational kinetic energy 4. Potential energy
	a) Only 1		b) Only 2
	c) 1, 2 and 3		d) 1, 2, 3 and 4

Q.10	Which is NOT an example of a symbiotic relationship?
	a) A caterpillar changing into a butterfly		b) A tick biting a white-tailed deer
	c) A remora fish sticking to the shell of a sea turtle		d) A clownfish living within the parts of a sea anemone

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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.