social studies: chapter 4
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Social Studies: Chapter 4 . Inventors change the World. Four American Inventors who Changed the World . George Washington Carver Alexander Graham Bell Thomas Edison Wilbur and Orville Wright. George Washington Carver - 1861-1943. - PowerPoint PPT PresentationTRANSCRIPT
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INVENTORS CHANGE THE WORLD
Social Studies: Chapter 4
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Four American Inventors who Changed the World
George Washington Carver
Alexander Graham Bell
Thomas Edison
Wilbur and Orville Wright
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George Washington Carver - 1861-1943
http://mediacast Heroes: George Washington Carverhttp://www.biography.com/articles/George-Washingt
on-Carver-9240299 Born a slaveGraduated from college & became a ScientistDeveloped over 300 uses for peanuts, soybeans, &
sweet potatoesEncouraged farmers to use crop rotation to improve
soil for growingChanged farming & improved diets of poor people
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Alexander Graham Bell – 1847-1912
• Inventor• Changed the way people
communicate• Developed ways to teach
deaf children how to speak
• 1876 – Developed the first telephone with Thomas Watson
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Thomas Edison- 1847-1931
Created more than 1,000 inventions
Invented the phonograph, which helped musicians
Improved the electric light bulb
His greatest invention: the first electric power plant (in New York City)
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Wilbur & Orville Wright
• 1903-Built world’s first successful airplane
• First flight was at Kitty Hawk, North Carolina (strong winds & soft sand)
• Changed how people travel
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Other Inventors
Electric Streetcar – Frank Sprague
Horseless Carriage -Duryea brothers
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Match the Inventor
The Wright brothers George Washington Carver
Thomas Edison Alexander Graham Bell
1. Created the first electric power plant
2. Developed over 300 uses for the peanut, soybean, & sweet potato
3. Invented the first telephone
4. Built the first successful airplane