Geography Lecture 9 | Distribution of Oceans & Continents – Part 2 | Sea-Floor Spreading |

Welcome to Lecture 9 of the Geography Foundation Batch by Keyur Sir! In this class, we continue Distribution of Oceans and Continents (Part 2) and study one of the most important concepts of modern geology — Sea-Floor Spreading Theory. This lecture explains how new oceanic crust forms, how continents drift apart, and how ocean floors expand over millions of years. 👉 Topics Covered in This Lecture: Introduction to Sea-Floor Spreading Harry Hess & the Concept of Ocean Floor Expansion Formation of Mid-Oceanic Ridges Evidence of Sea-Floor Spreading Age of Rocks Magnetic Stripes Heat Flow Subduction Zones & Ocean Trenches How Sea-Floor Spreading Supports Continental Drift NCERT Class 11 – Chapter 4 (Part 2) Complete Explanation 📚 Course: Geography Foundation Batch 🎯 Best For: Class 11 Students | CUET Aspirants | UPSC Foundation | CAPF | Class 12 Revision | Competitive Exams This lecture builds the core scientific base for understanding Plate Tectonics and Earth’s dynamic structure — a must-know topic for exams. 🔔 Don’t forget to Like, Share & Subscribe for more Geography, Economics & Science foundation lectures from Knowledge Temple. 🔖 📌 HASHTAGS: #Geography #SeafloorSpreading #DistributionOfOceansAndContinents #KeyurSir #KnowledgeTemple #Class11Geography #NCERTGeography #StudyWithAmisha #CUETPrep #UPSCFoundation #CAPF2025 #GeographyLecture