CBSE Class 9 Science Worksheet Set 04

Access the latest CBSE Class 9 Science Worksheet Set 04. We have provided free printable Class 9 Science worksheets in PDF format, specifically designed for All Chapters. These practice sets are prepared by expert teachers following the 2026-27 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

All Chapters Science Practice Worksheet for Class 9

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.

Class 9 Science All Chapters Printable PDF Worksheet

Revision Assignment -CHEMISTRY
Class: IX
 
Ch1- Matter in our surroundings
 
 
1. Camphor disappears without leaving any residue. Explain?
 
2. Why do we feel cool when we touch a piece of ice?
 
3. What is Latent Heat of Fusion?
 
4. Define latent heat of Vaporization?
 
5. How can you show that evaporation causes cooling?
 
6. How can you justify that table is a solid?
 
7. Arrange the following in decreasing order of force of attraction: Water, Salt, Oxygen, and give reasons.
 
8. What are the characteristics of matter?
 
9. The smell of hot sizzling food reaches you several meters away, but to smell the cold food you have to go close. Why?
 
10. After rains, the rain drops dry away easily- on a sunny day or on a cloudy day? Give reasons.
 
11. How can matter change its state?

Ch 2-Is Matter Around Us Pure
 
1. Explain how will you separate two immiscible liquids?
 
2. What is water called a universal solution?
 
3. Give the differences between true solution, colloidal solution and suspension?
 
4. Draw a diagram to show the separation of ammonium chloride from sand .
 
5. Give two applications of centrifugation.
 
6. How can you prove that water is a compound?
 
7. How can we convert saturated solution into unsaturated by heating?
 
8. How to differentiate between sol, solution and suspension?
 
9. What is meant by chromatography?
 
10. Define emulsion with example.
 
11. What is Tyndall effect?

Ch 3-Atoms and Molecules
 
1. Define polyatomic ion. Give one example.
 
2. What is formula unit of mass? How is it different from molecular mass?
 
3. What is Law of conservation of mass and Law of constant proportions?
 
4. What is an ion? Explain the types of ion with examples.
 
5. Find the molecular mass of H2O.
 
6. Define the term valency. What is the valency for magnesium and copper?
 
7. What is the difference between cation and anion?
 
8. What is atomicity? What is the atomicity of phosphorus and nitrogen?
 
9. Find the number of atoms in 0.5 mole of C atom.
 
10. Find the mass of 1.5 mole of CO2 molecule.
 
11. Calculate the formula unit mass of NaCl and CaCl2.
 
12. What is the difference between molecules 2O and O2?

Ch 4-Structure of the Atom
 
1. Give difference between isotopes and isobars.
 
2. Number of protons and electrons are same in an atom. Then why is it wrong to say that atomic number of an atom is equal to its number of electrons.
 
3. An atom is electrically neutral, on loss or gain of electrons why does it become charged?
 
4. What is valency?
 
5. According to you, among the structure of atom studies which model is correct and why?
 
6. Give an activity to understand the implications of Rutherford’s α scattering experiment by a gold foil.
 
7. Explain Rutherford’s α-particle scattering experiment and give its observation and conclusion drawn.
 
8. Establish the relationship between atomic number, mass number, isotopes, isobars and valency of an atoms.
 
 
 
Please click on below link to download CBSE Class 9 Science Worksheet Set D

Free study material for Science

Exam Preparation Worksheet for Class 9 Science All Chapters

Class 9 Science All Chapters Printable Worksheet

Review the All Chapters practice sheet above to stay ahead in your school evaluations. Designed to meet the newest CBSE standards for Class 9 Science, these printable problem sets are available as a convenient PDF format download. Regular practice on frequently tested topics guarantees stronger exam performance.

NCERT-Aligned Questions and Answers for Class 9 Science

Compiled using the standard NCERT book for Class 9 Science, these practice exercises ensure accurate guidance. Completing the questions should be followed by checking our comprehensive NCERT solutions, designed to teach clear techniques for Science questions. Every resource is available free of cost.

Additional Study Resources for Class 9 Science

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 04?

You can download the teacher-verified PDF for CBSE Class 9 Science Worksheet Set 04 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 04 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 04?

Yes, we have provided detailed solutions for CBSE Class 9 Science Worksheet Set 04 to help Class 9 and follow the official CBSE marking scheme.

How does solving CBSE Class 9 Science Worksheet Set 04 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 04 without any registration.