4. The World of Metals and Non-metals (Short Notes / Revision) | Grade 7 Science Curiosity

Join this channel to get access to perks:    / @ncerthinditutor   In this video, we will study shorts notes and revision of Chapter 4 - "The World of Metals and Non-metals". This chapter is taken from Grade 7 NCERT Science Textbook - "Curiosity". Chapters: 0:09 - 🧭 Introduction 0:32 - 🔍 4.1 Properties of Materials 0:35 - 💥 4.1.1 Malleability 0:58 - 🌍 Holistic Lens: History of Iron 1:15 - 🔗 4.1.2 Ductility 1:36 - 🔔 4.1.3 Sonority 1:55 - 🔥 4.1.4 Conduction of Heat 2:07 - ⚡ 4.1.5 Conduction of Electricity 2:27 - 🌧️ 4.2 Effect of Air and Water on Metals: Iron 2:51 - 🏛️ The Wonder of Ancient Indian Metallurgy 3:06 - ⚗️ 4.3 Effect of Air and Water on Other Metals 3:23 - 🌫️ 4.4 Substances that Behave Differently from Metals 3:52 - 🧬 4.5 Are Non-metals Essential in Everyday Life? 4:26 - 📌 In a Nutshell (Summary) #grade7 #science #revision #notes #ncerthinditutor #class7