KIDS QUIZ
FAMOUS INVENTORS AND INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alexander Graham Bell invented all of the following except ____
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telephone
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metal detector
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lightening rod
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hydrofoil boat
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Explanation:
Detailed explanation-1: -First invention At the age of 12, Bell built a homemade device that combined rotating paddles with sets of nail brushes, creating a simple dehusking machine that was put into operation at the mill and used steadily for a number of years.
Detailed explanation-2: -He was an immigrant. He faced more than 600 lawsuits over his telephone patent. Bell developed a wireless telephone. He invented a rudimentary metal detector in a quest to save the life of a president. Bell connected Helen Keller with Annie Sullivan. More items •03-Mar-2017
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