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 inner…
Hydrosphere – Movement of Oceanic Water Movement of Oceanic Water Never Static Vertical Movement Tides Horizontal Movement Ocean waves & Ocean currents Tides Periodic rise & fall in level of…
Hydrosphere – Albedo, Fresh Water, Salinity & Temperature Water on Earth 71% of earth surface constitutes water & only 29% constitutes land area of earth 97% of water area constitutes…
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