Quiz on Inventions of the 1920s

Who invented the television?

• John Logie Baird

• Thomas Edison

• Nikola Tesla

• Alexander Graham Bell

In what year were the first televised pictures sent?

• 1926

• 1921

• 1924

• 1928

What was the name of the popular refrigerator model in the 1920s?

• FrostyFridge

• ChillBox

• Frigidaire

• CoolerMaster

What did the polygraph measure?

• Voice pitch

• Body temperature

• Eye movement

• Heart rate, breathing, and blood pressure

Who invented the polygraph?

• John Larson

• Albert Einstein

• Isaac Newton

• Sigmund Freud

Why were fridges less popular in Britain during the 1920s?

• They were too expensive

• The weather was cooler

• They were not advertised

• People preferred iceboxes

What year was the polygraph invented?

• 1923

• 1922

• 1921

• 1920

What was a significant limitation of the polygraph?

• It could only measure breathing

• It was too large

• It could not be used in courts

• It was too expensive