Lee De Forest: Biography, Inventions & Achievements


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question 1 of 3

Which of the following is not an event from Lee De Forest's early life?

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1. Which of De Forest's inventions was noticed by the US Navy and how did they use it?

2. What is one significant fact about the three-element tube (the Audion)?

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About This Quiz & Worksheet

See what you know about the inventor Lee De Forest with these assessments. You'll be quizzed on topics like Forest's early life and one of his inventions that was used by the U.S. Navy.

Quiz & Worksheet Goals

These key areas will be covered on the quiz/worksheet:

  • The three-element tube
  • Phonofilm
  • De Forest's role in commercial radio broadcasting

Skills Practiced

  • Making connections - use your understanding of commercial radio broadcasting and its connection to the inventor Lee De Forest
  • Knowledge application - use your knowledge to answer questions about a description of Phonofilm and the early life of De Forest
  • Information recall - access the knowledge you've gained regarding the Audion and how it works

Additional Learning

Find out more with the lesson called Lee De Forest: Biography, Inventions & Achievements. You'll be covering the following topics:

  • Background of De Forest's career as an inventor
  • Invention of the radio
  • Oscillators
  • De Forest's legacy