Soon, Bell started experimenting with ways of transmitting speech over a long distance.. Bell and his assistant, Thomas Watson, conducted many experiments and finally came up with a dev
Trang 1Welcome to the English class!
Trang 2It’s very useful
Trang 3AT HOME
Trang 4AT OFFICE
Trang 5FOR DRIVERS
Trang 6FOR TELEPHONISTS
Trang 7FOR CAPTAINS
Trang 8FOR POLICEMEN
Trang 9for every one every where
Trang 10What is it?
Trang 11Unit 2 : MAKING ARRANGEMENTS
ALEXANDER GRAHAM BELL
READ
page 21-22 English textbook
Grade 8
Trang 12On March 3, 1847, Alexander Graham Bell was born in Edinburgh
He was a Scotsman although later he emigrated, first to Canada and then to The USA in the 1870s
Trang 13In America, he worked with deaf-mutes at Boston University Soon, Bell started
experimenting with ways of transmitting
speech over a long distance This led to the
invention of telephone.
Trang 14Bell and his assistant,
Thomas Watson, conducted
many experiments and
finally came up with a device
which they first introduced in 1876 Bell said on the phone: “Mr Watson, come
here I want you.” This was the first
telephone message
Trang 15Traveling all over America,
Bell demonstrated his invention to the public countless exhibitions, and by 1877 the first
telephone was in commercial use.
Trang 16Vocabulary
Trang 17to be born (exp)
Alexander Graham Bell was born in Edinburgh on March 3, 1847.
: được sinh ra
Trang 18native of Scotland
Scotsman (n):
Trang 19CANADA THE USA
Trang 20• to emigrate (v) : xuất cảnh, di cư
• Scotsman (n) :người Scot
Trang 21deaf-mute (n):
a person who can’t speak
and hear
người câm điếc
Trang 22In America, he worked with deaf-mutes
Trang 23*experiment(n):
*to experiment(v):
cuộc thí nghiệm
làm thí nghiệm
Trang 24over a long distance
Trang 25-to pass through
-to send to another person/ place/ thing
to transmit (v) :
Trang 26*to transmit (v): truyền, dẫn
*over a long distance : qua 1 khỏang xa
*speech (n): cuộc nói chuyện
Bell started experimenting with ways of transmitting speech over a long distance
Trang 27This led to the invention of telephone.
Trang 28• Bell and his assistant, Thomas Watson,
conducted many experiments.
assistant (n):
to conduct (v):
trợ lý, phụ tá
thực hiện
Trang 29device (n)
Trang 30to introduce (v):
Trang 31to come up with (exp): đi đến kết cuộc
finally (adv): cuối cùng
device (n) : công cụ, thiết bị
to introduce (v): giới thiệu
• They finally came up with
a device which they first introduced in 1876.
Trang 32message (n):
• Bell said on the phone:
“Mr Watson, come here I want you.”
thông báo, lời nhắn
Trang 33to demonstrate (v)
Trang 34to demonstrate (v): thuyết minh
countless (adj): vô số
exhibition (n): cuộc triển lãm
• Traveling
all over America, Bell demonstrated his invention
to the public at countless exhibitions
Trang 36• 1 to be born (exp): được sinh ra
• 2 to emigrate (v): xuất cảnh
• 3 Scotsman (n): người Scotland
• 4 deaf-mute (n): người câm điếc
• 5 experiment (n): cuộc thí nghiệm
• 6 to experiment (v): làm thí nghiệm
Trang 37• 7 to transmit (v): truyền, dẫn
• 8 over a long distance : qua 1 khỏang xa
• 9 speech (n): cuộc nói chuyện
• 10 to lead-led-led (v): dẫn dắt, đưa đến
• 11 invention (n): sự phát minh
• 12 to invent (v): phát minh
Trang 38• 13 assistant (n): trợ lý, phụ tá
• 14 to conduct (v): thực hiện
• 15 to come up with (exp): đi đến kết luận
• 16 finally (adv): cuối cùng
• 17 device (n): công cụ, thiết bị
• 18 to introduce (v): giới thiệu
Trang 39• 19 message (n): thông báo, lời nhắn
• 20 to say-said-said (v): nói
• 21 to demonstrate (v): thuyết minh
• 22 countless (adj): vô số
• 23 exhibition (n): cuộc triển lãm
• 24 to be in commercial use (exp):
• đưa vào thương mại
Trang 40On March 3, 1847, Alexander Graham Bell was born in Edinburgh
He was a Scotsman although later he emigrated, first to Canada and then to The USA in the 1870s
Trang 41In America, he worked with deaf-mutes at Boston University Soon, Bell started
experimenting with ways of transmitting
speech over a long distance This led to the
invention of telephone.
Trang 42Bell and his assistant,
Thomas Watson, conducted many experiments and finally came up with a device which they first introduced in 1876 Bell said on the phone: “Mr Watson, come
here I want you.” This was the first
telephone message
Trang 43Traveling all over America,
Bell demonstrated his invention to the public countless exhibitions, and by 1877 the first
telephone was in commercial use.
Trang 44True or False?
was born in the USA.
F
Trang 45b/ He worked with deaf-mute patients in a hospital in
Boston.
F
Trang 46c/ Thomas Watson was
Bell’s assistant.
T
Trang 47d/ Bell and Watson introduced the telephone
in 1877.
F
Trang 48e/ Bell experimented with
speech between mutes over a long distance.
deaf-F
Trang 49f/ Bell demonstrated his invention at a lot of exhibitions.
T
Trang 50Let’s check:
• a/ Alexander G.Bell was born in the USA.
• b/ He worked with deaf-mute patients in a hospital in Boston.
• c/ Thomas Watson was Bell’s assistant.
• d/ Bell and Watson introduced the telephone in 1877.
• e/ Bell experimented with ways of transmitting speech between deaf-mutes over a long distance.
F
F T
F F
Trang 51Put the events in the correct order:
• a/ went to live in The United States.
• b/ successfully demonstrated his invention.
• c/ worked with Thomas Watson.
• d/ was born in Scotland.
• e/ went to live in Canada.
• f/ invented the telephone.
• g/ worked with people who could neither
Trang 52More information about
Alexander Graham Bell
Trang 53His mother was a deaf pianist
Trang 54Bell was the second boy of the three sons
Trang 55His wife, Mabel Hubbard was one of his students in
Boston
Trang 56Elise May Bell
They had two daughters :
Marian Hubbard Bell
Trang 57Bell was the leader of
the Aerial Experiment
Trang 58The model of Bell’s telephone
Trang 59There is a gallery about Alexander G Bell in Canada
Trang 60Telephones through years
Trang 70CELLULAR PHONE
Trang 71Good bye! See you
next time