Chapter at a glance
The Earth’s layers, internal forces (earthquakes, volcanoes, folding, faulting, plate tectonics) and external agents (running water, waves, glaciers, wind, groundwater) that shape landforms, and the disasters linked to them.
The Big Questions
- What shapes the Earth’s surface?
- What is plate tectonics? What are the effects of plate movement?
- How are landforms formed and classified?
- How are humans and other living beings connected to landforms?
- How do disasters associated with different landforms affect human lives?
Read the NCERT chapter
Read this chapter in the official NCERT textbook Understanding Society: India and Beyond (2026-27 edition) for free on ncert.nic.in.
Source: NCERT, Understanding Society: India and Beyond, Grade 9 (2026-27). NCERT chapter PDF. Spotted a mistake? Email edura.class9.yt@gmail.com. Last updated 11 October 2026.