Lesson 9: Alexander Graham Bell / Name:
Directions: Watch the 2 videos. Take notes if it helps you to remember. Answer the following questions in FULL SENTENCES.
1. Where did Alexander Graham Bell move with his parents when he was 23?
______
______
______
2. What did Bell do at the start of his career?
______
______
3. What would happen if you had 2 pianos in the same room and struck a key on ONE piano?
______
______
4. What was Bell’s obsession?
______
______
5. What happened when Bell was in the lab with Watson and put the reed to his ear?
______
______
______
6. What happened in the lab on his first attempt at transmitting speech over a wire?
______
______
______
7. What did Bell say that Watson heard after many revisions of his original telephone?
______
______
______
8. What was Bell’s vision for the telephone in 1876?
______
______
______
______
9. Name 2 other things that Bell invented.
______
______
______
10.Name 2 things that Bell encouraged his students to explore and invent.
______
______
______
Lesson 9: Alexander Graham Bell - ANSWERS / Name:
Directions: Watch the 2 videos. Take notes if it helps you to remember. Answer the following questions in FULL SENTENCES.
1. Where did Alexander Graham Bell move with his parents when he was 23?
Bell moved from Scotland to Brantford, Ontario with his parents in 1870.
2. What did Bell do at the start of his career?
Bell taught deaf people to speak and helped them communicate with others.
3. What would happen if you had 2 pianos in the same room and struck a key on ONE piano?
If you have 2 pianos in the same room and strike a key on ONE piano, the other piano will
make a sound with the vibration of the same key.
4. What was Bell’s obsession?
Bell became obsessed with the theory that speech could be transmitted by a telegraph wire.
5. What happened when Bell was in the lab with Watson and put the reed to his ear?
When Bell was in the lab and put a reed to his ear Watson spoke near the transmission reed which vibrated Bell’s reed across the room.
6. What happened in the lab on his first attempt at transmitting speech over a wire?
During the first attempt at transmitting speech over a wire, Watson only heard muffled sounds, not clear speech from Bell.
7. What did Bell say that Watson heard after many revisions of his original telephone?
Watson heard Bell say, “Mr. Watson, Mr. Watson come here I want you.”
8. What was Bell’s vision for the telephone in 1876?
In 1876, Bell’s vision was that every house and business be connected to each other with devices that could transmit speech – the telephone.
9. Name 2 other things that Bell invented/pioneered.
Bell also invented the wax phonograph record for recording sounds, he initiated the National Geographic Society’s Magazine and helped to invent new ways of controlling flight. There were many others not mentioned in the movie.
10.Name 2 things that Bell encouraged his students to explore and invent.
·  Telephone that transmits along a beam of sunlight (fibre-optics)
·  Explore voice incorporation into film
·  Help ships to “hear” other objects through echo-location (sonar, radar)
·  Record the human voice in visual, readable symbols.