Volcanoes & its Types
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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
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 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
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
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
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
Hydrosphere – Movement of Oceanic Water Movement of Oceanic Water > Never Static Vertical Movement > Tides Horizontal Movement > Ocean waves & Ocean currents Tides Periodic rise & fall…
Hydrosphere – Albedo, Fresh Water, Salinity & Temperature
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…
Hydrosphere – Ocean Floor Division
Hydrosphere – Ocean Floor Division Ocean Floor Division Continental Self Basically, the seaward extension of the continent from the shoreline to the continental edge approx. 200 m deep Continental shelf is…
Atmosphere – Weather and Climate
Atmosphere – Weather and Climate Weather > Pertains to the condition of atmosphere at any place at a specific time or for a short period of time (Generally for hours…
Atmosphere – Evaporation, Humidity, Condensation, Precipitation
Atmosphere – Evaporation, Humidity, Condensation, Precipitation Evaporation Process by which water or a liquid is transformed from liquid to gaseous or vapours state Evaporation increases with temp., dryness & movement…
Atmosphere – Air Masses, Fronts, Cyclones, Anticyclones
Atmosphere – Air Masses, Fronts, Cyclones, Anticyclones Air Masses Over a homogeneous area, when air remains for a sufficiently long time, it acquires the characteristics of that area. Homogeneous area…
