matter in our surroundings class 9 question and answer | class 9 science chapter 1 question answer
English Baba・2 minutes read
The video discusses the concepts of matter and its properties, including identifying different states of matter and temperature conversions. It explains observations like the movement of gas particles and the process of sublimation, providing examples and definitions for various terms.
Insights
- The video lesson on Matter in Our Surroundings explores the definition of matter as anything that occupies space, including various examples like air, almonds, lemon water, and perfume molecules. It delves into the concept of kinetic energy in hot particles, explaining why the smell of hot food travels further than that of cold food, and highlights the differences in intermolecular forces between solids and liquids, such as a diver cutting through water in a swimming pool.
- The lesson provides a detailed overview of the characteristics of matter particles, emphasizing constant motion, intermolecular space, and mutual attraction. It also covers temperature conversions between Kelvin and Celsius, explains phenomena like sublimation (solid to gas transition) seen with naphthalene balls, and discusses the free movement and diffusion of gas particles that allow us to smell perfume from a distance. Additionally, it categorizes substances based on their force of attraction, ranking gases first, followed by liquids and then solids, while defining key processes like melting, evaporation, condensation, solidification, sublimation, and deposition.
Get key ideas from YouTube videos. It’s free
Recent questions
What is matter according to English Baba Channel's Class 10 Chemistry lesson?
Matter is anything that occupies space, like air or perfume.
Why does the smell of hot food travel further than cold food?
Hot particles have higher kinetic energy, allowing them to travel further.
How are liquids different from solids in terms of intermolecular forces?
Liquids have weaker intermolecular forces compared to solids.
What are the characteristics of matter particles discussed in the video?
Matter particles have constant motion, intermolecular space, and mutual attraction.
How is the conversion of temperatures between Kelvin and Celsius explained?
The video details the conversion with specific examples provided.
Related videos
Exphub 9th &10th
Matter in Our Surroundings Complete Chapter🔥| CLASS 9th Science| NCERT covered| Prashant Kirad
Physics Wallah Foundation
MATTER IN OUR SURROUNDINGS in One Shot - From Zero to Hero || Class 9th
LearnoHub - Class 11, 12
States of Matter - Class 11 Chemistry | Chapter 5 | One Shot
IGCSE Study Buddy
1. States of Matter (Cambridge IGCSE Chemistry 0620 for 2023, 2024 & 2025)
JR Tutorials
8th Science | Chapter 6 | Composition of Matter | Lecture 1 | Maharashtra Board |