INVENTORS CHANGE THE WORLD

Social Studies: Chapter 4

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 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

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

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