Geomorphology and the Earth
Interior of the Earth
Practise 1 PYQConcepts to cover
- Direct and indirect sources of information about the interior
- P waves and S waves: motion, speed, media and arrival order
- Shadow zones of P and S waves and what they show
- Crust, mantle and core: thickness, composition, discontinuities
- Lithosphere and asthenosphere
Where to study
Fundamentals of Physical Geography, Class XI, chapter 3: Interior of the Earth (Reprint 2026-27)
- ch. 3, Interior of the Earth, p. 1-9 (book pages 18-26)
- ch. 3, Sources of Information about the Interior, p. 1 (book page 18)
- ch. 3, Earthquake Waves, p. 2-3 (book pages 19-20)
- ch. 3, shadow zone, p. 3-4 (book pages 20-21)
- ch. 3, Structure of the Earth, p. 5 (book page 22)
- ch. 3, The Mantle, p. 5 (book page 22)
Our Environment, Class VII, chapter 2: Inside Our Earth (Reprint 2024-25)
- ch. 2, Inside Our Earth, p. 1-5 (book pages 7-11)
- ch. 2, Interior of the Earth, p. 1 (book page 7)