Inventions

Invented the telephone

• Alexander Graham Bell

• Lewis Latimer

• Frank Sprague

• Frank Duryea

Which invention changed transportation at the beginning of the 1900s?

• the wagon

• the Pony Express

• the electric streetcar

• the statecoach

Andrew Carnegie...

• invented a new method for making steel

• built a huge steel empire

• built oil refineries

• formed the Westinghouse Electric Company

Founded the Standard Oil Company

• Edwin Drake

• John D. Rockefeller

• William Hearst

• Madame C.J. Walker

Railroads helped the U.S. economy because...

• they charged high rates to farmers.

• they used a lot of steel

• they helped end the shipping industry

• they helped businesses reach far away places.

Growth of big business did NOT cause...

• more Americans to work on farms.

• people moved from farms to cities.

• more jobs

• the U.S. to become the leading producer of manufactured goods.

What is an invention?

• something old and broke

• something new that someone makes or thinks of

• something that someone has already thought of

Inventors see ____________ that others don't see.

• thoughts

• answers

• ideas