Telegraphs
In the 1800s, it would take weeks to send messages because they were delivered by _____.
Horse-drawn carriages
When was the first time the telephone was used?
a. March 10, 1876
b. March 10, 1776
c. March 10, 1976
a. March 10, 1876
3 Americans invented a similar machine called ____
Morse code
When and where was the telegraph invented?
1830s, Great Britain
A new thing or method is called a(n) ____
Invention
Who did Alexander Graham Bell call in a nearby room for the first time?
Thomas A Watson, his assistant
How did Morse Code work?
Each letter of the alphabet used a different pulse of electricity
What were the name of the people who translated telegraphs into words?
a. translators
b. operators
c. inventors
Operators!
Their machine used 5 magnetic needles and ____.
Electricty
Alexander Graham Bell was trying to invent the telephone.
True or false?
First the telePHONE was created, then the teleGRAPH.
True or false?
False!
Who invented the telephone?
Alexander Graham Bell
Who used the telegraphs first?
Railroad companies
Phones send and receive _____ signals.
Electrical
What's the name of people who make technology?
a. construction worker
b. meterologist
c. engineer
c. engineer!
How come phones only worked with short distances?
It needed to be plugged into the wall with a cord