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

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

2.Who announced a way to make photographs on metal plates in 1839?

A.Louis Daguerre
B.George Washington Carver
C.Henry Ford

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

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

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

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

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

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

6.Who invented the telephone in 1876?

A.Alexander Graham Bell
B.Cyrus McCormick
C.Jonas Salk

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

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

8.Who built a horse-drawn reaper for harvesting wheat?

A.Cyrus McCormick
B.Grace Hopper
C.Jonas Salk

LessonPrint · D2.Eco.13.3-5 · Set 16 · 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