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 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.
	a) Only 2		b) Only 3
	c) Both 1 and 2		d) 1, 2 and 3

Q.2	Which of the following diseases are caused by bacteria? 1. Ringworm 2. Plague 3. Malaria 4. Typhoid 5. Athlete's foot 6. Chickenpox
	a) 2 and 4		b) 1 and 3
	c) 5 and 6		d) 3 and 6

Q.3	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

Q.4	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.5	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.6	Read the statements and select the correct ones: i. Frogs and fishes lay their eggs on land in a safe place and take care of their babies. ii. The eggs of frog hatch into tailed larvae called nymph. iii. The tadpole grows and slowly changes into an adult frog.
	a) Only ii		b) Only iii
	c) Both i and iii		d) Both i, ii and iii

Q.7	Consider the following statements: Statement 1: When Emma pushes a notebook across the table, work is said to be done. Statement 2: When Emma pulls the wall towards herself, work is said to be done. Which one of the following is correct about the above two statements?
	a) Statement 1 is true but statement 2 is false		b) Statement 1 is false but statement 2 is true
	c) Both the statements are true		d) Both the statements are false

Q.8	Lina set up the experiment shown below. She placed a white flower in a beaker with 300 ml of blue colored water at the start of the experiment. What will she observe after 8 hours?
	a) Amount of water left in beaker- 300 ml Colour of flower- White		b) Amount of water left in beaker- 300 ml Colour of flower- Blue
	c) Amount of water left in beaker- 280 ml Colour of flower- White		d) Amount of water left in beaker- 280 ml Colour of flower- Blue

Q.9	Read the clues given below and identify the planet correctly: Clue 1: It was first observed by Galileo. Clue 2: It is the brightest and hottest planet, because it has atmosphere to trap the sun's light making it hottest and it is called as the morning and evening star. Clue 3: It rotates on its axis very slowly but it revolves around the sun fast.
	a) MARS		b) EARTH
	c) SATURN		d) VENUS

Q.10	The diagram below shows the blood flow between the heart, the lungs and the rest of the body. Which one of the following best describe the blood at A and B?
	a) A-Rich in oxygen, poor in carbon dioxide B-Rich in carbon dioxide and oxygen		b) A-Rich in carbon dioxide, poor in oxygen B-Poor in carbon dioxide and oxygen
	c) A-Rich in oxygen, poor in carbon dioxide B-Rich in carbon dioxide, poor in oxygen		d) A-Rich in carbon dioxide, poor in oxygen B-Rich in carbon dioxide and oxygen

Your Score: 0/10

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.