Outline For An Informative Speech On Solar Energy

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Recommended: Solar energy for sustainable future essay

Zayan Tofeeq
4/02/2018
HCom-102
Professor Blumer
Solar energy
General Purpose: To inform.

Specific purpose: Solar energy produce cheaper electricity than coal and other things do, And the process is safe too.

Introduction:
Attention Getter: At some point, our world will run out of fossil fuels due to their excessive use, and the only best source to produce electricity will be the solar energy. Unlike fossil fuels, it is the most efficient way to produce electricity without harming the environment of earth.
Significance: Solar energy is not only the cheapest way to produce electricity but the best way to help the environment of the earth.
Thesis: Solar power is evolving since its invention to make it more reliable for people use. When …show more content…

Soon scientist found a way to change solar into electric energy.
Subpoint: Discovery of the PV(photovoltaic) Effect
Support: According to an article (Power by sunshine, 2012) this all started back In
1839, when a French physicist Alexandre Edmond at the age of only 19 years old discovered the photovoltaic effect which explains how electricity can be generated when a certain material is exposed to sunlight, in other words; he discovered a way to create an electric current by sunlight, but he was still unknown to the physics behind it. He became very popular for his findings, but little did he knew that his invention would lay a whole new foundation of solar power.According to book “From space to earth”(Chap 3) in 1954, [Visual aid: Inventors with worlds first solar cell] three physicists of Bell Laboratory D.M. Chapin, C.S. Fuller, and G.L. Pearson, patented a way of making electricity directly from sunlight using silicon-based solar cells, in other words, these men made a whole complete device consisted of many solar cells capable of power the small electronic devices. Next year the Hoffman electronics the only

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