Alexander Graham Bell 2012 TESCCC Grade 1 Unit

Alexander Graham Bell © 2012, TESCCC Grade 1 Unit 11, Lesson 02

The Early Years Alexander Graham Bell was born on March 3, 1847 in Edinburgh, Scotland. Everyone thought he would grow up to be a musician because he was so talented playing the piano. © 2012, TESCCC

He showed an early interest in inventing. When he was twelve, he built a device that would de-husk wheat so it could be ground into flour. His device was used at the mill for many years. © 2012, TESCCC

As a teacher of the deaf, his father invented a technique of communicating through gestures. His mother began to lose her hearing when he was twelve. Because of their influence, Bell developed an interest in sound and speech. © 2012, TESCCC

After seeing a demonstration of a “mechanical man” Alexander and his brother built their own automated head that could speak a few words. He did many experiments on sound. © 2012, TESCCC

The Bell family moved to Canada in 1870. Although Alexander Graham Bell did not do well in school, he did become a teacher for the deaf. There he worked on an instrument that would help his students “speak” well. His most famous pupil was Helen Keller. © 2012, TESCCC

Full Time Scientist In 1873, Bell quit teaching so he could spend his time working on his experiments. He opened a lab and began working on a way to transmit the human voice by telegraph. © 2012, TESCCC

In 1874, Alexander met Thomas Watson, an electrical designer. Mr. Watson was also interested in sound and began helping Alexander design instruments. © 2012, TESCCC

It Works!!! n n © 2012, TESCCC On June 2, 1875, Bell and Watson sent a twang sound over a wire from one room to another. On March 10, 1876, while Bell was working in one room, Watson, in another room, heard Bell say, “Watson, come here, I want to see you. ”

Alexander Graham Bell introduced his telephone to the world at the Centennial Exhibition in Philadelphia that year. © 2012, TESCCC

In 1878, a telephone was installed in the White House by President Hayes. © 2012, TESCCC

The Bell Telephone Company was created in 1877. This company would later become AT&T. By 1886, over 150, 000 people in the United States had telephones. © 2012, TESCCC

His Family During this very exciting time, Alexander also got married and started his family. He married Mabel Hubbard on July 11, 1877. His wife, who was deaf, had been one of his pupils. They had four children, two girls, Elsie and Marian, and two sons who died in infancy. © 2012, TESCCC

Alexander Graham Bell continued to invent. He invented the metal detector, a photophone, aerial vehicles, hydroplanes, an audiometer and a metal jacket that would help people breath. Some of his work would later help other scientist develop tape recorders and fiber optics. © 2012, TESCCC

Alexander Graham Bell also established Science magazine and was one of the founding members of the National Geographic Society. © 2012, TESCCC

His Legacy Alexander Graham Bell died on August 2, 1922. His inventions continue to impact our lives everyday. Now people all over the world can communicate instantly with each other because of the telephones. © 2012, TESCCC