Weathering – Chemical + Physical + Biological Weathering The process of wearing away of earth’s surface is commonly known as denudation & is generally carried out in four phases Weathering,…
Volcanoes & its types Volcanoes A sudden & abrupt explosion in earth crust through which Magma, gases, dust, smoke & solid material burst out Volcanic activity is connected with crustal…
Type of Plains Plains Plains usually are the best land of a country & are heavily cultivated & populated Even more at places where rivers transverse the plains For ex:…
Mountains and Plateaus Mountains Part of land > 900 mts height With slope ~ 25 – 30* Mainly of four types viz. Fold Mountains Block Mountains Volcanic Mountains Residual /…
Formation of Continents – Continental Drift Theory & Plate Tectonics Wagner’s Continental Drift Theory Proposed by Alfred Wegner in 1912 Also known as Jigsaw Fit Theory 1st to propound movement…
Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks Rocks > Material that form crust of earth Igneous Rocks Formed through cooling & solidification of molten material magma (Erupted from volcanoes, molten material…
Layers of Earth, Composition & Earthquakes Generally speaking, Earth has 4 layers > the outer crust that we live on, the plastic-like mantle, the liquid outer core, and the solid…
Hydrosphere – Movement of Oceanic Water Movement of Oceanic Water > Never Static Vertical Movement > Tides Horizontal Movement > Ocean waves & Ocean currents Tides Periodic rise & fall…