Sirvintos ‘Atzalynas’ progymnasium Natural sources of energy Student: D.Kikutyte 8C Teacher: K.Bluseviciute Sirvintos 2012.

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Presentation transcript:

Sirvintos ‘Atzalynas’ progymnasium Natural sources of energy Student: D.Kikutyte 8C Teacher: K.Bluseviciute Sirvintos 2012

Context  Solar  Wind  Water

Natural Energy Sources There are many natural energy sources that can be used to provide a source of clean and renewable electricity or even used for other purposes such as providing heating for your home or business.The main sources of natural energy are the sun, wind, water and earth. Out of these, water is the most diverse as it can be used in a variety of ways. The tides and waves of the sea can be used to generate electricity whilst rivers can be held back by a hydroelectric dam to provide power to the masses.

Solar Energy Source The sun provides a source of energy to the earth in the form of solar radiation. We can use this solar energy source to not only generate electricity but to also heat a water supply. Solar energy is the most widely used natural energy source among homeowners. Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies.

Wind Energy Source We can harness the energy of the wind in a variety of ways in order to produce not only electricity but also momentum. Both industrial and home wind turbines can be used to provide a source of renewable electricity. The problem with renewable wind energy is mainly down to the relatively low output of electricity you could receive depending on your location. Many people opt to use a solar energy source instead of the wind in order to provide a source of electricity.

Water Energy Source Water contained on the earth can be used in a variety of ways to generate electricity. The earth's seas and rivers can provide a source of renewable electricity to a significant number of people if the conditions are right.A method of harnessing the seas natural energy source and increasing in popularity over recent years is tidal power. This highly renewable energy source has a huge force behind it and is able to drive water turbines situated around 100 meters out to see as the tides go in and out. The main problem with harnessing the earth's natural water energy source is the effect that industrial sized equipment can have towards sea life and towards the blocking of shipping access to various coastlines.

Thanks for attention!!!