CBSE Class 9 Science Sample Paper Set 27

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Official CBSE Practice Papers for Class 9 Science

Review targeted exam resources with the CBSE Class 9 Science Sample Paper Set 27. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 9 Science sample papers support effective revision and performance tracking.

Solved Model Papers for Science

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CBSE Class 9 Science Sample Paper Set A. It’s always recommended to practice as many CBSE sample papers as possible before the examinations. The latest sample papers have been designed as per the latest blue prints, syllabus and examination trends. Sample papers should be practiced in examination condition at home or school and also show it to your teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

 

Section - A

1. An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non zero velocity? Justify your answer. 

2. a) Give two importance of the universal law of gravitation.

    b) Give its mathematical expression. Explain each term.

3. a) Define inertia.

    b) Explain why some leaves may get detached from a tree when it’s branch is vigorously shaken. 

4. a) List any two differences between mass and weight.

    b) Derive the relation between g and G.

5. Give reasons for the following:

    a) It is difficult for a fireman to hold a hose which ejects large amount of water with high velocity.

    b) Karate player breaks a brick with a single blow.

    c) We fall forward when the brakes of the moving bus are suddenly applied. 

6. a) A constant force acts on an object of mass 5kg for a duration of 2s. It increases the object’s velocity from 3m/s to 7m/s. Find the  magnitude of the applied force. If the same force applied was for the duration of 5s, what would be the final velocity of the object?

    b) Define 1 newton.

7. a) Differentiate between speed and velocity of a moving object.

    b) The brakes are applied to a car produce an acceleration of 6m/s2 in the opposite direction to the motion. If the car takes 2s to stop  after  the application of brakes, calculate the distance it travels during this time.

8. a) State the law of conservation of momentum.

b) Derive the mathematical expression of law of conservation of momentum.

c) A bullet of mass 20g is horizontally fired with a velocity 150m/s from a pistol of mass 2kg. What is the recoil velocity of the gun and in which direction?
 
9. a) Derive the third equation of motion graphically. Explain each term used in the expression.
b) A stone is thrown vertically upwards with an initial velocity of 40m/s. Find the maximum height reached by the stone. What are the net displacement and the
 total distance covered by the stone? 
 
Section - B
 
10. a) Identify the elements in the following: silica, silver, salt, tin.
b) What is meant by Tyndall effect? 
 
11. a) With the help of an activity show that particles of matter have spaces in between them.
b) A rubber band can change its shape on stretching even though it is a solid. Why?
c) Arrange the following substances in the increasing order of forces of attraction between the particles. ------ Water, salt and nitrogen. 
 
12. a) Define concentration of a solution.
b) To make a saturated solution, 36g of NaCl is dissolved in 100g of water at 293K.Find the concentration at this temperature. 
 
13. Give reasons for the following:
a) The fragrance of the incense stick spreads in the entire room as soon as it is lit up.
b) Steam causes more severe burns as compared to boiling hot water.
c) Clothes take longer time to dry on a rainy day. 
 
14. a) Name the method that you will use to separate the following mixtures:
i) oil and water ii) pigments from the natural colours
b) Draw a neat and well labelled diagram to show the separation of ammonium chloride and common salt. 
 
15. a) Define: i) Evaporation ii) latent heat of fusion
b) Convert: i) 25oC to Kelvin scale ii) 373K to ̊C scale.
c) Explain why do gases exert pressure on the walls of the containers.
d) How does evaporation cause cooling?
e) Name the process to convert: i) solid to liquid ii) gas to liquid. 
 
16. a) Which of the two is a physical change? Melting of butter and growth of a plant.
b) Give one example of an emulsion.
c) Explain the effect of temperature rise on the solubility of a solute.
d) Which principle is used in the separation of butter from milk?
e) Differentiate between:
i) Suspension and colloid
ii) Miscible and immiscible liquids

 

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CBSE Class 9 Science Sample Paper Set 27 & Sample Question Papers for Class 9 Science

Class 9 Science CBSE Class 9 Science Sample Paper Set 27 PDF Download Guide

Access structured sample papers for Class 9 Science. Solving the CBSE Class 9 Science Sample Paper Set 27 provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.

Why Practice Class 9 Science Sample Papers?

  • Original Practice Material: Access unique questions for Science designed to challenge your understanding.
  • Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 9 Science.
  • Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.

How to Analyze Your Performance in CBSE Class 9 Science Sample Paper Set 27

  1. Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
  2. Target Weaknesses: Class 9 students should analyze missed questions to rectify conceptual misunderstandings.
  3. Deep Revision: Re-read sections in the NCERT book for Class 9 Science to clear doubts before solving items again.

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Are solutions provided for CBSE Class 9 Science Sample Paper Set 27?

Yes, CBSE Class 9 Science Sample Paper Set 27 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 9 understand correct methodology and marking scheme.

How can practicing CBSE Class 9 Science Sample Paper Set 27 help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 9, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

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