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Chapter 22

definitions

QuestionAnswer
Thomas Edison developed first usable and practical lightbulb in 1879
Micheal Faraday discovered the connection between magnetism and electricity
Bessemer process involved forcing air through
Henry Ford created the first affordable automobile
The Wright Bros. created first flying a powered airplane in sustained flight
telegraph a machine that sent messages instantly over wires
Samuel Morse created telegraph
Alexander Graham Bell created the telephone
Guglielmo Marconi created first radio
Charles Darwin theorized theory of evolution
Marie and Pierre Curie discovered polonium and radium
radioactivity when certain elements energy when they break down
Albert Einstein
Created by: teshawn fisher
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