Four American Inventors Who Changed the World: Carver, Bell, Edison, and Wright
This chapter explores the remarkable contributions of four iconic American inventors: George Washington Carver, Alexander Graham Bell, Thomas Edison, and Wilbur and Orville Wright. Carver, born a slave, transformed agriculture with over 300 uses for peanuts and advocated crop rotation. Bell revolutionized communication with the telephone and methods for teaching the deaf. Edison, a prolific inventor, created over 1,000 inventions, including the phonograph and the first electric power plant. The Wright brothers accomplished the first successful airplane flight, changing travel forever.
Four American Inventors Who Changed the World: Carver, Bell, Edison, and Wright
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Presentation Transcript
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 http://mediacast Heroes: George Washington Carver http://www.biography.com/articles/George-Washington-Carver-9240299 Born a slave Graduated from college & became a Scientist Developed over 300 uses for peanuts, soybeans, & sweet potatoes Encouraged farmers to use crop rotation to improve soil for growing Changed farming & improved diets of poor people
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
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)
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
Other Inventors Electric Streetcar – Frank Sprague Horseless Carriage -Duryea brothers
Match the Inventor Created the first electric power plant Developed over 300 uses for the peanut, soybean, & sweet potato Invented the first telephone Built the first successful airplane