Class 9 | Social Science — Geography
Shaping of the Earth's Surface
PPT Presentation
Shaping of the Earth's Surface — PPT Presentation | Class 9 CBSE Social Science
May 26, 2026
EDU BYTEZ
Shaping of the Earth's Surface — Free PPT Presentation | Class 9 CBSE Social Science Geography | EDU BYTEZ
This post contains a free, curriculum-aligned PowerPoint presentation on Shaping of the Earth's Surface for CBSE Class 9 Social Science (Geography). This chapter explains one of the most fascinating stories in all of science — how the surface of our planet has been sculpted, carved, built up, and worn down over millions of years by powerful natural forces. This PPT brings the chapter to life through clear diagrams, visual examples, and structured slides that make complex geographical processes easy to understand.
What This PPT Covers
This PowerPoint presentation covers the complete chapter in a step-by-step, visual format. The presentation opens with a striking fact — the Earth's surface is never truly still. Mountains rise, valleys deepen, coastlines shift, and deserts expand, all driven by forces that operate over timescales far beyond human experience. Understanding these forces is the key to understanding the physical world around us.
Internal Forces — Building the Earth's Surface
The first half of the PPT focuses on internal or endogenic forces — forces that originate deep within the Earth's interior. These forces are responsible for some of the most dramatic events on our planet — volcanic eruptions, earthquakes, and the movement of tectonic plates. The PPT explains how the collision, separation, and sliding of tectonic plates creates mountain ranges, ocean trenches, rift valleys, and plateaus over millions of years. The formation of the Himalayas through the collision of the Indian and Eurasian plates is used as a vivid Indian example.
External Forces — Wearing Down the Earth's Surface
The second half of the PPT covers external or exogenic forces — forces that work on the Earth's surface from outside. Wind, water, glaciers, waves, and temperature changes all act as agents of weathering, erosion, transportation, and deposition — gradually wearing down high landforms and building up new ones elsewhere. The formation of river deltas, sand dunes, glacial valleys, and sea cliffs through these processes is explained with clear diagrams and real-world examples from across India and the world.
Landforms and Their Formation
The PPT includes a dedicated section on major landforms — mountains, plateaus, plains, valleys, deltas, and coastal features — explaining how each is formed and where they are found in India and globally. Diagram-based questions on landform formation are common in CBSE Class 9 examinations and this PPT prepares students thoroughly for them.
This PPT is fully aligned with the NCERT Class 9 Geography syllabus and covers all key concepts, processes, and landforms required for unit tests and annual examinations.
This presentation is part of the EDU BYTEZ free resource series. Bookmark this blog and share it with your classmates and teachers.