Скачать или смотреть Matter in Our Surroundings Class 9 Science Chapter 1 | One Shot Full Chapter Revision

In this video
Welcome to Grow Up Champ! 🌟 In this video, PP Mam covers the complete Chapter 1 of Class 9 Science: **Matter in Our Surroundings**. This is a Fast Track Revision designed to make every concept crystal clear with important diagrams and exam-oriented questions.

Whether you are looking for definitions, differences between states of matter, or the concept of evaporation, this one-shot video covers the full NCERT syllabus.

*📚 Topics Covered in this Video:*
✅ What is Matter? (Physical & Chemical properties)
✅ Characteristics of Particles of Matter
✅ States of Matter: Solid, Liquid, and Gas
✅ Effect of Change of Temperature (Melting, Boiling)
✅ Latent Heat of Fusion & Vaporization
✅ Sublimation & Deposition
✅ Evaporation and Cooling Effect (Real-life examples)

*⏱️ Timestamps (Chapters):*
00:00 - Introduction & Chapter Roadmap
01:04 - What is Matter? (Definition)
02:48 - Panch Tatva vs Modern Classification
04:30 - Physical Nature of Particles (Tiny & Moving)
10:25 - States of Matter: Solid, Liquid, Gas
17:51 - Effect of Heat & Change of State
18:54 - What is Latent Heat?
21:22 - Liquefaction & Sublimation
22:27 - Evaporation & Factors Affecting It
25:07 - How Evaporation Causes Cooling?
29:49 - Diffusion & Compressibility Difference
31:23 - Unit Conversions (Kelvin to Celsius)

*📝 Key Concepts for Exams:*
Why does evaporation cause cooling?
Difference between evaporation and boiling.
Properties of Solids, Liquids, and Gases.

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