CREST Science Olympiad Class 7 Previous Year Paper

Getting ready for the Class 7 Science Olympiad? Practising with previous year question papers can be a game changer. These papers not only help students understand the kind of questions asked but also make revision more focused and effective.

What Makes These Papers Useful?

• They cover a range of topics like Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones etc.
• They improve logical thinking and help students practise answering within the time limit.
• Each paper comes with an answer key, making it easy to check answers and learn from mistakes.

Download the Science Olympiad Previous Year Paper for Class 7 (PDF) and give your child the right tools to prepare with confidence and perform their best in the exam.

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Syllabus:

Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.

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	Mary took two paper bags and hung them on the two ends of a wooden stick. She held the stick by a string from the centre. Then she kept a burning candle below one of the bags. As we can see in the picture the balance is disturbed. What can we prove from this experiment?
	a) Warm air goes down and is heavier than cold air.		b) Warm air rises up and is lighter than the cold air.
	c) Warm air and cold air are of the same weight.		d) Both warm and cold air go down and both become heavy.

Q.2	Read the following statements carefully and choose the correct option: 1. Mammals produce their own heat to keep themselves warm at all times. 2. Our skin cannot measure temperature accurately whereas a thermometer can. 3. Alcohol cannot be used to measure temperatures lower than 0oC because the alcohol will freeze. 4. Our body temperature can be measured by placing a clinical thermometer under our tongue.
	a) Only 1 is correct		b) Only 2 is correct
	c) 2, 3, and 4 are correct		d) 1, 2 and 4 are correct

Q.3	Look at pictures given below and identify the similarity between them:
	a) Both are oxidised.		b) Both are galvanised to prevent rusting.
	c) Both are painted.		d) Both are crystallised.

Q.4	Observe the given figure and identify the parts A and C correctly:
	a) Ovule, pollen grain		b) Egg cell, pollen grain
	c) Ovule, pollen tube		d) Pollen grain, ovule

Q.5	Read the statements given below and select the correct option: Statement 1: The branched part of a tree above the stem is called the crown of the tree. Statement 2: The covering of large trees that serve as a roof to shelter an area or other plants in forests is called understorey.
	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	A driver reversing his car at a speed of 3 m/s sees in his rearview mirror the image of a truck parked behind his car. Calculate the speed at which the image of the truck appears to approach the driver. The rearview mirror of a car is a plane mirror:
	a) 1 m/s		b) 2 m/s
	c) 6 m/s		d) 8 m/s

Q.7	Identify the INCORRECT statement:
	a) Dead and decaying matter enrich the soil of the forest.		b) Interconnected network of food chains forms a food web.
	c) Forests are called green lungs.		d) Animal excreta pollute the forest floor or soil.

Q.8	Match the following correctly: Organisms How they breathe/respire 1. Cockroach  a. Gills 2. Earthworm b. Spiracles 3. Fish c. Stomata 4. Green plants d. Skin
	a) 1-b, 2-d, 3-a, 4-c		b) 1-a, 2-b, 3-d, 4-c
	c) 1-b, 2-a, 3-c, 4-d		d) 1-b, 2-a, 3-d, 4-c

Q.9	Study the circuit shown here. Which switch if opened will cause the light bulb to stop glowing?
	a) P		b) Q
	c) R		d) S

Q.10	Maya drew the picture of the single-celled organism named amoeba below. Help her to identify parts named A and B and also the function of part A correctly:
	a) Part A- Pseudopodia Part B- Food vacuole Function of part A- To move and capture food.		b) Part A- Mitochondria Part B- Cytoplasm Function of part A- To digest food.
	c) Part A- Cytoplasm Part B- Mitochondria Function of part A- To sense food outside.		d) Part A- Food vacuole Part B- Pseudopodia Function of part A- To digest food.

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 7 -

1. CREST Science Worksheets Package for class 7 - 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 7 - 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 7 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 7.