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

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

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

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

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

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

4.Which scientist showed that gently heating a liquid can kill harmful germs?

A.Wilbur Wright
B.Alexander Graham Bell
C.Louis Pasteur

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

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

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

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

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

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

8.Who helped create early computer programming languages?

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

LessonPrint · D2.Eco.13.3-5 · Set 14 · 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