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.Louis Daguerre
B.Henry Ford
C.Jonas Salk

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

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

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

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

4.Who found new uses for peanuts and taught farmers to rotate crops?

A.George Washington Carver
B.Alexander Graham Bell
C.Wilbur Wright

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

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

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

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

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

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

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

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

LessonPrint · D2.Eco.13.3-5 · Set 15 · 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