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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.

Set 19 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

American Inventors and Their Ideas

D2.Eco.13.3-5

NameDate

Circle the person each sentence describes.

1.Who found new uses for peanuts and taught farmers to rotate crops?
  • A.Wilbur Wright
  • B.Alexander Graham Bell
  • C.George Washington Carver
2.Who started a hair-care business and trained thousands of sales agents?
  • A.Jonas Salk
  • B.Madam C. J. Walker
  • C.Samuel Morse
3.Who helped create early computer programming languages?
  • A.Grace Hopper
  • B.Louis Daguerre
  • C.Cyrus McCormick
4.Who built a horse-drawn reaper for harvesting wheat?
  • A.Grace Hopper
  • B.Cyrus McCormick
  • C.Jonas Salk
5.Which inventor is the dot-and-dash telegraph code named after?
  • A.Henry Ford
  • B.Samuel Morse
  • C.Madam C. J. Walker
6.Who announced a way to make photographs on metal plates in 1839?
  • A.George Washington Carver
  • B.Henry Ford
  • C.Louis Daguerre
7.Who made the first successful powered airplane flights, in 1903?
  • A.Wilbur and Orville Wright
  • B.Thomas Edison
  • C.Lewis and Clark
8.Who invented a traffic signal and a breathing hood that helped rescuers?
  • A.Louis Pasteur
  • B.Garrett Morgan
  • C.Cyrus McCormick

LessonPrint · D2.Eco.13.3-5 · Set 19 · free to copy for classroom use

Answer key — American Inventors and Their Ideas

Set 19. Prints on its own sheet.

  1. 1.George Washington Carver
  2. 2.Madam C. J. Walker
  3. 3.Grace Hopper
  4. 4.Cyrus McCormick
  5. 5.Samuel Morse
  6. 6.Louis Daguerre
  7. 7.Wilbur and Orville Wright
  8. 8.Garrett Morgan

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