 Renewable energy

1. Renewable energy

2. There is two kind of energy، Renewable energy and Non-renewable energy. In this presentation I will talk about Renewable energy and the main forms of it.

3. What is the meaning of Renewable energy ?? Renewable energy: is energy generated from Natural resources such as sunlight, wind, rain, tides, and Geothermal heat, which are renewable (naturally replenished).

4. The main forms of Renewable energy is: • Wind power. • Hydropower. • Solar energy. • Geothermal energy.

5. Wind power Wind power is the conversion of wind energy into a useful form of energy, such as using wind turbines to make electricity, wind mills for mechanical power, wind pumps for pumping water or drainage, or sails to propel ships. Vestas V80 wind turbines

6. Hydropower is power that is derived from the force or energy of moving water, which may be harnessed for useful purposes.

7. Solar energy Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient time using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for most of the available renewable energy on earth. Only a minuscule fraction of the available solar energy is used. is the generation of electricity from sunlight.

8. Geothermal energy: (from the Greek roots geo, meaning earth, and thermos, meaning heat) Geothermal energy This geothermal energy originates from the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface. It has been used for bathing since Paleolithic times and for space heating since ancient Roman times, but is now better known for generating electricity. is power extracted from heat stored in the earth. Biodiesel is made from vegetable oils, animal fats or recycled greases.

9. Done by : Mariam Abdullah Section : 59 Reference :http://en.wikipedia.org/wiki