American Inventors and Their Ideas is a free printable Grade 3 to Grade 5 social studies worksheet on naming the inventor or founder behind a new technology or business, aligned to C3 Framework indicator D2.Eco.13.3-5. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

American Inventors and Their Ideas

D2.Eco.13.3-5

NameDate

Circle the person each sentence describes.

1.Who developed a vaccine against polio in the 1950s?

A.Jonas Salk
B.Henry Ford
C.Louis Daguerre

2.Who made the first successful powered airplane flights, in 1903?

A.Thomas Edison
B.Wilbur and Orville Wright
C.Lewis and Clark

3.Who started a hair-care business and trained thousands of sales agents?

A.Madam C. J. Walker
B.Jonas Salk
C.Samuel Morse

4.Who invented a traffic signal and a breathing hood that helped rescuers?

A.Garrett Morgan
B.Louis Pasteur
C.Cyrus McCormick

5.Who helped create early computer programming languages?

A.Grace Hopper
B.Cyrus McCormick
C.Louis Daguerre

6.Who used a moving assembly line to build the Model T car cheaply?

A.Henry Ford
B.Louis Pasteur
C.Samuel Morse

7.Who, with the tailor Jacob Davis, made strong work pants with metal rivets, now called jeans?

A.Garrett Morgan
B.Louis Pasteur
C.Levi Strauss

8.Which inventor is the dot-and-dash telegraph code named after?

A.Samuel Morse
B.Madam C. J. Walker
C.Henry Ford

LessonPrint · D2.Eco.13.3-5 · Set 18 · free to copy for classroom use

Last reviewed 2026-09-05. Aligned to D2.Eco.13.3-5 of the C3 Framework for Social Studies State Standards.

Answer key — American Inventors and Their Ideas