Light bulb
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Light bulb

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Light bulb Light bulb Presentation Transcript

  • The Light bulb By:Candela Iglesias
    • Thomas Edison created the light bulb on October 22, 1878
    Thomas Edison
    • Thomas Alva Edison was born
    • on 11 of February and he died on 18 of October 1931 at the age of 84.
    • He was an American inventor, scientist, and businessman.
    Thomas edison`s biografi View slide
  •   View slide
    • It´s a source of electric light that works by incandescence. An electric current passes through a thin filament,heating it to a temperature that produces light .
    The light bulb
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  • Differences between the first light bulb and modern ones
    • This one is simpler
    • And much more practical
    • Thiso one has something that supports it and is not so practical
  •  
    • I think the light bulb changed our life because in the past people did not have light after the sun went down. So, they had to use candles and take them from one place to the other in order to do all the activities at home. Such as cooking, reading, sewing, writing, knitting, having dinner, doing the homework, etc.
    My opinion:
  • Candela Iglesias
  •