Inventors and Inventions

Thomas Edison invented which of the following items? Select all that apply

• telephone

• phonograph

• assembly line

• electric power station

• light bulb

Who had a monopoly in the steel industry?

• John Rockefeller

• Andrew Carnegie

• Henry Ford

• Frank Sprague

What was Albert Einstein known for?

• electric streetcar

• theory of relativity

• first to fly

• light bulb

Who had a monopoly in oil?

• Andrew Carnegie

• John Rockefeller

• Henry Ford

• Frank Sprague

First to fly

• Frank Sprague

• Alexander Graham Bell

• Wright Brothers

• Andrew Carnegie

Alexander Graham Bell invented the ____________________

• phonograph

• telephone

• light bulb

• assembly line

Henry Ford invented the

• electric streetcar

• assembly line

• monopoly in steel

• telephone

Frank Sprague invented the

• phonograph

• telephone

• electric power station

• electric streetcar

The phonograph helped by

• allowing people to send messages using morse code

• allowing people to record and sell records

• allowing people to send texts

• allowing people to talk over long distances

The assembly line helped by

• allowing cars to be made cheaper and faster

• allowing cars to be shipped faster

• allowing cars to be shipped cheaper

• allowing businesses to use machines instead of workers