WorksheetsAmerican Inventors
Total questions: 10
Worksheet time: 5mins
What did Samuel Morse invent?
an electric telegraph
a code system
Morse code
all opions are correct
When was the Morse code invented?
In 1838
In 1938
In 1388
In 1883
The dots and dashes in Morse Code show
numbers
the alphabet letters
punctuation marks
all the above
"O" is symbolised with
dash dot dash (- . -)
dot dot dot (. . .)
dash dash dash (- - - )
dot dash dash (.- -)
Who invented the telephone?
Alexander Bell Phone
Samuel Morse
Alexander Graham Bell
Wheb did Bell invented the telephone?
In 1867
In 1876
In 1678
In 1967
What did people use before the electric light bulb?
torches
lamps
candles
Who invented the light bulb?
Thomas Edison
Thomas Erickson
Ed Thomasson
When did the Wright Brothers invent the first plane?
in 1903
In 1930
In 1913
Which one do you think is the best invention?
The Morse code
The telephone
The electric light bulb
The airplane
