Page 136 - SST Class 08

waste is also a large F ind Outind Out
problem. These substances
are found in Congo, South Find out where is the largest solar power plant
Africa, Canada, Germany, located in India.
Russia and India. Wind Energy

Quiz Time Kalpakkam Nuclear Plant Wind energy is used to propel ships as well as
drive windmills to grind grain or pump water.
Write True or False :
Recently, it has been used to generate electricity
1. The US has the world’s largest reserves also. Wind energy has a tremendous potential. But
of natural gas. ________ there are problems in its utilisation as it is highly
2. Russia and Europe are other oil- variable in time, place and
producing countries. ________ intensity. The areas where
there is potential to develop
3. Nuclear energy is generated in this energy include north-
nuclear plants. ________
eastern USA, France and
4. Coal, oil and natural gas are the Netherlands. The coasts
renewable sources. ________ in Gujarat and Tamil Nadu
5. Peat is the lowest quality of coal. ________ can boast of such windmills A windmill
in India.
Non-conventional Sources of Energy
Info Bits
Non-conventional or alternative sources of energy Info Bits
are not dependent on any fossil fuels. They are
renewable sources of energy. Solar energy, wind On 16 May 2011, India’s first 5MW of installed
energy, tidal energy and geothermal energy are capacity Solar Power project was registered under
included under this type of energy. Since the Clean Development Mechanism.
hydroelectricity and these sources of energy do Geothermal Energy
not cause any pollution, they are also called clean
sources of energy. It is the useful transformation
of natural heat found in the
Solar Energy
interior of the earth into
The sun is only source of heat and light in the solar electricity. Italy developed
system. It is the greatest source of energy for us. this energy as early as 1904
Solar energy is available round the clock and free to produce electricity.
A geothermal plant
of cost. Solar panels are used to tap solar energy. In
many countries, it is Info Bits
Info Bits
being used for cooking,
lighting and heating The United States is the world’s largest producer of
purposes on a small geothermal energy and the largest geothermal
scale. The countries in development in the world is the Geysers north of
Asia and Africa can San Francisco in California.
greatly benefit from it as
they receive sunlight for A solar energy panel Now, Russia, Japan, New Zealand, Mexico,
longer durations. Iceland, Hawaii and the US are trying to convert
natural internal heat into electricity. In India,
The latest technology called photo voltaic Tattapani in Chhattisgarh has a geothermal plant
technology which converts sunlight directly into with a capacity of 300 KW. However, this energy
electricity is available in many countries like has not been fully exploited.
Japan, USA, Canada, France, India and Germany.
Contemporary Social Science-8
136