Solar System

 The Solar System The solar system consists of the Sun and its eight main planets, their satellites, asteroids, comets, meteors and other dwarf planets. The Sun is at the one of the two Centers of the Solar system and the planets revolving around it in elliptical orbits. Let us take a look at … Read more Solar System

Solar Energy

 Solar Energy : Source, Solar heating devices, solar cooker solar cell   Sunlight is Earth’s most abundant energy source and is delivered free of charge. Indeed, the energy from sunlight reaching the land surface of the earth  is thousands of times greater than the world’s current total annual consumption of energy. Yet harnessing sunlight’s energy … Read more Solar Energy

Bushmen

 Bushmen The indigenous people of Southern Africa, whose homeland covers much of Botswana, South Africa, Zimbabwe, Lesotho, Mozambique, Namibia, Swaziland and Angola, are often also known as Bushmen or the San people. They are traditionally nomadic hunters and gatherers who moved over vast areas of land throughout Southern Africa. The Bushmen are split … Read more Bushmen

Cyclones

 Cyclones: Types and Mechanism Cyclone is a system of low atmospheric pressure in which the barometric gradient is steep. Cyclones represent circular fluid motion rotating in the same direction as the Earth. This means that the inward spiralling winds in a cyclone rotate anticlockwise in the Northern Hemisphere and clockwise in the Southern … Read more Cyclones

Solar Energy

 Solar Energy : Source, Solar heating devices, solar cooker solar cell   Sunlight is Earth’s most abundant energy source and is delivered free of charge. Indeed, the energy from sunlight reaching the land surface of the earth  is thousands of times greater than the world’s current total annual consumption of energy. Yet harnessing sunlight’s energy … Read more Solar Energy

Resources

 Distribution of major natural resources of World-Water, Soils,  Forests in reference to South and South-East Asia     Distribution of key natural resources across the world (including South Asia and the Indian subcontinent) Natural resources are highly valued because human beings are dependent on them to fulfil their fundamental needs that changes with … Read more Resources

Rain Water Harvesting (1)

 Rain Water Harvesting Water forms the lifeline of any society. Water is essential for the environment, food security and sustainable development. All the known civilizations have flourished with water source as the base and it is true in the present context too. Availability of drinking water and provision of sanitation facilities are the … Read more Rain Water Harvesting (1)

Broad Physical Feature

 Broad Physical Feature: Mountains, Plateaus, Plains, Lakes and Glaciers:-   Landforms are the natural features and shapes existent on the face of the earth. Landforms possess many different physical characteristics and are spread out throughout the planet. Together, landforms constitute a specific terrain and their physical arrangement in the landscape forms what is … Read more Broad Physical Feature