1. Essam AlharbiAbdulrahman Alazzouni Faisal Aldaihan

2. Introduction This topic talks about wind power andsolar power. There are many pro andcons of each one. 3. How wind power works ? 4. Solar power is the conversion of sunlightinto electricity. 5. How solar power works ? 6. Wind energy Solar energyLocation It requires the wind It needs the sunny zonesplaces with hightemperaturecoastIt has lower price It is too expansiveInstallation Easy to build it It is difficult toinstall it. 7. Examples of solar and windturbine energies 8. Pros and cons of windpowerPros: No Pollution and Global WarmingEffects No Fuel CostCons: Low Persistent Noise Loss of Scenery Land usage 9. Conclusion Finally, there are more wind powerturbine, because:- It is cheaper .- No pollution.- Easy to install it. 10. 1-Global wind energy council2-Cohn, Laura; Vitzhum, Carlta; Ewing, Jack (2005-07-11)."Wind power has a head of steam.". European Business..3- wind power ( www.windpower.com )4- mastering physics (www.masteringphysics.com)