Download NCERT Class 9 Science Textbooks
Access the official NCERT textbook for Class 9 Science, updated for the 2026-27 academic session. This digital resource provides the foundational knowledge required for exam success and conceptual clarity.
Access Chapter 01 Matter In Our Surroundings for Class 9 Science
Access the complete PDF for Chapter 01 Matter In Our Surroundings below. This focused excerpt allows students to isolate specific topics for thorough review. Cross-reference your textbook exercises with our detailed NCERT Solutions for Class 9 Science.
MATTER IN OUR SURROUNDINGS
1. Which one of the following sets of phenomena would increase on raising the temperature?
(a) Diffusion, evaporation, compression of gases
(b) Evaporation, compression of gases, solubility
(c) Evaporation, diffusion, expansion of gases
(d) Evaporation, solubility, diffusion, compression of gases
2. Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
(a) Low temperature, low pressure
(b) High temperature, low pressure
(c) Low temperature, high pressure
(d) High temperature, high pressure
3. The property to flow is unique to fluids. Which one of the following statements is correct?
(a) Only gases behave like fluids
(b) Gases and solids behave like fluids
(c) Gases and liquids behave like fluids
(d) Only liquids are fluids
4. During summer, water kept in an earthen pot becomes cool because of the phenomenon of
(a) diffusion
(b) transpiration
(c) osmosis
(d) evaporation
5. (a) Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
(b) Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion
6. You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
7. It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes respectively. Who do you think would be more comfortable and why?
8. You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
9. Comment on the following statements:
(a) Evaporation produces cooling.
(b) Rate of evaporation of an aqueous solution decreases with increase in humidity.
(c) Sponge though compressible is a solid.
10. Why does the temperature of a substance remain constant during itsmelting point or boiling point?
Please refer to attached file for NCERT Class 9 Science Matter In Our Surroundings Questions
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NCERT Book for Class 9 Science Chapter 01 Matter In Our Surroundings
Class 9 Science Chapter 01 Matter In Our Surroundings Official E-Book
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FAQs
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Yes, our collection of Class 9 Science NCERT books follow the 2026 rationalization guidelines. All deleted chapters have been removed and has latest content for you to study.
Downloading chapter-wise PDFs for Class 9 Science allows for faster access, saves storage space, and makes it easier to focus in 2026 on specific topics during revision.
NCERT books are the main source for NCERT exams. By reading NCERT Book Class 9 Science Matter In Our Surroundings Questions line-by-line and practicing its questions, students build strong understanding to get full marks in Science.