Alexander Graham Bell The Telephone - PowerPoint PPT Presentation

1 / 12
About This Presentation
Title:

Alexander Graham Bell The Telephone

Description:

Alexander was born March 3,1847 Edinburgh Scotland His mother Eliza Bell was born deaf. His father Alexander Melville Bell taught deaf people. – PowerPoint PPT presentation

Number of Views:355
Avg rating:3.0/5.0
Slides: 13
Provided by: Student107
Category:

less

Transcript and Presenter's Notes

Title: Alexander Graham Bell The Telephone


1
Alexander Graham BellThe Telephone
  • By Nikko and Brooke

2
Alexander Graham Bell
  • Alexander was born March 3,1847 Edinburgh
    Scotland
  • His mother Eliza Bell was born deaf.
  • His father Alexander Melville Bell taught deaf
    people.
  • His grandfather was Alexander Bell
  • His wife Mabel Hubbard Bell was deaf also.

3
Family Information
  • All family was Scottish- born American.
  • All his brothers attended private schools.
  • Second of there sons.
  • Lost two of his brothers.

4
Important Facts
  • Alexander Graham Bell only attended school for 5
    years, from the time he was 10 until he was 14,
    but he never stopped learning.
  • He invented the telephone in 1876.
  • Poor or Rich? He was poor as a boy and when he
    was an adult he became rich with his inventions.

5
Bibliography (websites)
  • www.google.com
  • www.lucidcafe.com
  • www.pbs.org

6
The Telephone
  • The Telephone was invented on March 10th, 1876,
    in Boston Massachusetts by Alexander Graham Bell.

7
How The Telephone Works
  • When you talk into a telephone, the microphone
    inside of the mouthpiece transforms the sound
    waves into electric impulses.

8
How The Telephone Works
  • These sound waves are sent through the cable to
    the ear piece of the other persons receiver which
    they are listening.
  • This turns the impulses into sounds which are
    nearly identical to the sound made by the caller,
    so from the impulses sent it sounds like they are
    standing right next to you.

9
Important Facts
  • The telephone led to cell phones.

10
Important Facts Continued
  • The word telephone means far speaking in
    Greek.
  • The telephone also mad communication easier.
  • http//communication.howstuffworks.com/telephone.h
    tm
  • Video on The Telephone

11
Bibliography
  • http//unasked.com/question/view/id/2071
  • www.google.com
  • http//www.audiouk.com/vintage/telephone.htm

12
The Telephone by Alexander Graham Bell
  • Brooke and Nikko
Write a Comment
User Comments (0)
About PowerShow.com