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.

>>> Join CREST Olympiads WhatsApp Channel for latest updates. CREST Science Olympiad Previous Year Paper PDF for Class 5:

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

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	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.2	Which of the following pairs are wrongly classified? P: Music player - Heat energy to mechanical energy Q: Burning wood - Chemical energy to potential energy R: Battery - Chemical energy to electrical energy S: Moving wind mill - Mechanical energy to electrical energy
	a) Q and R		b) R and S
	c) P and Q		d) P and S

Q.3	Match the following: Planets Moons 1. Saturn (i) Titania 2. Neptune (ii) Phobos 3. Uranus (iii) Titan 4. Mars (iv) Ganymede 5. Jupiter (v) Triton
	a) 1-iv, 2-iii, 3-ii, 4-I, 5-v		b) 1-iv, 2-i, 3-ii, 4-v, 5-iii
	c) 1-iii, 2-v, 3-i, 4-ii, 5-iv		d) 1-v, 2-iii, 3-ii, 4-i, 5-iv

Q.4	Select the activity which is different from the other three based on the types of force involved. P - A table pushed along a floor Q - A vehicle stops when brakes are applied R - A stone thrown high up in the air, always comes down S - Drilling a nail into the wall
	a) P		b) Q
	c) S		d) R

Q.5	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.6	A glass tumbler filled with water was covered with a card-board and inverted as shown in the diagram below. The tumbler was held with the hand. After a minute, the hand was removed, it was observed that the card-board did not fall down. What does this experiment prove?
	a) Air has mass.		b) Air occupies space.
	c) Air is present everywhere.		d) Air exerts pressure.

Q.7	Choose the option that correctly represents the energy changes taking place in the following cases: 1. Television 2. Electric blender 3. Toy car moving down a ramp
	a) 1: Electrical energy into light energy, sound energy 2: Electrical energy into kinetic energy, sound energy 3: Potential energy to kinetic energy		b) 1: Potential energy into electrical energy, sound energy and heat energy 2: Kinetic energy into electrical energy, heat energy and sound energy 3: Potential energy to heat energy and sound energy
	c) 1: Sound energy into electrical energy, sound energy and heat energy 2: Potential energy into electrical energy, heat energy and sound energy 3: Potential energy to heat energy and sound energy		d) 1: Sound energy into mechanical energy, potential energy and heat energy 2: Potential energy into electrical energy, heat energy and light energy 3: Mechanical energy to heat energy and sound energy

Q.8	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.
	a) A and B only		b) C and D only
	c) B and C only		d) A, B and C only

Q.9	In a water treatment plant, chlorination is done. What could be the reason for the chlorination?
	a) To remove larger particles of solid impurities		b) To remove smaller particles of solid impurities
	c) To kill germs		d) To remove sand particles

Q.10	Which of the following statements is/are correct? 1. A shooting star is a star. 2. The four planets in the outer solar system are made of rock and metal. 3. Ursa Major constellation appears to revolve around the pole star in the night sky.
	a) 2 only		b) 3 only
	c) 1 and 3 only		d) 2 and 3 only

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.