I don't want to spoil to many inventions of his so I'll tell you the top 4!
1. Light Bulb-It was invented because he wanted to have a long source of light, he invented it by using cotton tread baking an oven, the process of making the light bulb wasn't easy at first, the first idea he tried doing a piece of metal or carbon (called filament) the hooked it up to 2 wires.
2.Voice Recorder-it was invented to eletricaly record votes, it was invented by 1868, the process of making the voice recorder was very pastionatly.
3.Etheroscope-used to invent the radio for years later, it was invent by strange sparks called etheric force, the process of making it was simple.
4.Tin Foil Phonograph- It was invented to create sound, the Tin Foil Phonograph was invented by tin foil wrapped around a cylinder, the first recorded word are "Mary had a little lamb.", the process of making the Tin Foil Phonograph was not easy or harp to accomplish making it.
Impact of Inventions
1.For kids, time, Thomas Edison a Brilliant Inventor, New York: Lisa Demaug,2005
2. Geographic, National, Thomas Alva Edison Inventing the future, United States Of America: Marie Furguson Delano,2002
3. Booling Michael, Younge , Thomas Edison, New York , Micheal Booling,2005
4. Keller,Jack, Thomas Edison's Bright ideas, Austin, TX, Steck-Vaughn company,1989
5.Easy science for kids,Thomas Edison and his great invention, 04/20/2015,.com, April28,2015 http://easyscienceforkids.com/all-about-Thomas-Edison/