CBSE Class 9 Science Worksheet Set 20 Solved

Find CBSE Class 9 Science Worksheet Set 20 Solved right below. We offer free printable Class 9 Science worksheets in PDF for All Chapters. Built by expert teachers for the 2026-27 session, these practice exercises align with standard CBSE, NCERT, and KVS patterns.

Worksheets for Class 9 Science - All Chapters

Practice daily with these Class 9 Science chapter-wise worksheets to master All Chapters. Each paper has key questions and answers designed for school tests. Consistent practice of these Class 9 Science questions guarantees better speed and accuracy for the 2026-27 term.

Download Class 9 Science All Chapters Worksheet PDF

PHYSICS
 
1. Under what condition, the average speed of a moving object is equal to the magnitude of the average velocity.
 
2. Distinguish between speed and velocity. 
 
3. Usha swims in a 90m long pool. She covers 180m in one minute by swimming from one end to the other and back along the same straight path. Find the average speed and average velocity of Usha.
 
4. a) Define acceleration of a body.
 
b) Define uniform acceleration.
 
CHEMISTRY
 
5. When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
 
6. a) O2 is a gas. Write its two gaseous properties to justify it.
 
b) The smell of hot sizzling food reaches us even from a considerable distance but to get the smell of cold food we have to go close to it. Give reason.
 
7. Give the usual name for the following:
 
a) Heat required to change the state of a substance without changing the temperature.
 
b) The temperature at which a liquid changes into a gas.
 
c) Two conditions necessary to liquefy gases.
 
d) Chemical name of dry ice.
 
8. (a) Arrange the three states of matter in the increasing order of :
 
(i) Rate of diffusion (ii) Force of attraction
 
(b) What will be the state of water at:
 
(i) 100 0 C (ii) 300 K
  
BIOLOGY
 
9. If you are provided with some vegetable to cook, generally add salt into the vegetables during cooking process. After adding salt, vegetables releasing water. What mechanism is responsible for this?
 
10. Define endocytosis. 
 
11. a) Plant cells and bacterial cells can withstand much greater changes in the surrounding medium than animal cells. How?
 
b) Name the functional unit of DNA that carries genetic information.
 
12. Differentiate between prokaryotic and eukaryotic cell. Give any two points each

 

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Free study material for Science

Exam Preparation Worksheet for Class 9 Science All Chapters

Download Practice Sheet: All Chapters (Class 9 Science)

Make use of the All Chapters practice set listed above to review effectively for school tests. Prepared according to current CBSE guidelines for Class 9 Science, the material can be saved easily as a PDF format download. Routine problem-solving based on essential exam topics ensures steady grade improvement.

NCERT-Aligned Questions and Answers for Class 9 Science

Crafted around the official NCERT book for Class 9 Science, these worksheets help reinforce core concepts. Once finished, students are advised to read our expert NCERT solutions to master standard problem-solving methodologies in Science. Access all study materials online for free.

Improve Your Scores with Science MCQ Tests

To get the best results in Class 9, students should try the Science MCQ test for this chapter. We have also provided printable assignments for Class 9 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

FAQs

Where can I download the latest PDF for CBSE Class 9 Science Worksheet Set 20 Solved?

You can download the teacher-verified PDF for CBSE Class 9 Science Worksheet Set 20 Solved from StudiesToday.com. These practice sheets for Class 9 Science are designed as per the latest CBSE academic session.

Are these Science Class 9 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 9 Science Worksheet Set 20 Solved includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 9.

Do you provide solved answers for CBSE Class 9 Science Worksheet Set 20 Solved?

Yes, we have provided detailed solutions for CBSE Class 9 Science Worksheet Set 20 Solved to help Class 9 and follow the official CBSE marking scheme.

How does solving CBSE Class 9 Science Worksheet Set 20 Solved help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 9 students get more marks in CBSE exams.

Is there any charge for the Class 9 Science practice test papers?

All our Class 9 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 9 Science Worksheet Set 20 Solved without any registration.