The Sources! Alternative energy is an umbrella term that refers to any source of usable energy intended to replace conventional energy sources without.

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Presentation transcript:

The Sources! Alternative energy is an umbrella term that refers to any source of usable energy intended to replace conventional energy sources without the undesired consequences of the replaced sources. They are divided into 5 categories: Solar energy (generation of electricity from sun) Wind energy (generation of electricity from wind) Geothermal energy (using hot water or steam from the Earth’s interior for heating buildings or electricity generation) Biofuel and Ethanol (plant-derived substitutes of gasoline for powering vehicles) Hydrogen (used as clean fuel for airplanes, spaceships, and vehicles)

Our Questions: Do you think that people will finally get used to the idea of using alternative energy sources in order to stop polluting the environment?

What is your opinion about alternative energy? Do you believe that it will be more expensive? Does your school support the use of any of this sources? If yes, which? And if not have you ever thought of suggesting it?

Do you believe that the alternative energy sources will be able to save the world from all these environmental problems which exist in our planet? How do you think that the research and the use about these sources will develop in the world of tomorrow?

Have you ever had a lesson in school about the way alternative energy sources are being used? Have you been informed about what they offer to our planet?

You can watch some of those educational videos from National Geographic! energy-environment/energy-conservation.htmlhttp://video.nationalgeographic.com/video/player/environment/ energy-environment/energy-conservation.html energy-environment/great-energy-challenge.htmlhttp://video.nationalgeographic.com/video/player/environment/ energy-environment/great-energy-challenge.html energy-environment/solar-power.htmlhttp://video.nationalgeographic.com/video/player/environment/ energy-environment/solar-power.html

Renewable Energy Renewable Energy is The wave of the future And, if we don't start developing it We won't be able to survive For we have gotten soft To our easy life And, we won't know how to survive If we don't start changing Renewable energy is here to stay And we have to start replacing Our energy supply With this everlasting resourse by Jerry Abrahamson