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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.

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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 invented a traffic signal and a breathing hood that helped rescuers?
  • A.Louis Pasteur
  • B.Garrett Morgan
  • C.Cyrus McCormick
2.Who helped create early computer programming languages?
  • A.Louis Daguerre
  • B.Grace Hopper
  • C.Cyrus McCormick
3.Who, with the tailor Jacob Davis, made strong work pants with metal rivets, now called jeans?
  • A.Garrett Morgan
  • B.Levi Strauss
  • C.Louis Pasteur
4.Who made the first successful powered airplane flights, in 1903?
  • A.Wilbur and Orville Wright
  • B.Thomas Edison
  • C.Lewis and Clark
5.Who announced a way to make photographs on metal plates in 1839?
  • A.Louis Daguerre
  • B.George Washington Carver
  • C.Henry Ford
6.Who built a horse-drawn reaper for harvesting wheat?
  • A.Grace Hopper
  • B.Jonas Salk
  • C.Cyrus McCormick
7.Who developed a vaccine against polio in the 1950s?
  • A.Henry Ford
  • B.Louis Daguerre
  • C.Jonas Salk
8.Who invented the telephone in 1876?
  • A.Jonas Salk
  • B.Cyrus McCormick
  • C.Alexander Graham Bell

LessonPrint · D2.Eco.13.3-5 · Set 25 · free to copy for classroom use

Answer key — American Inventors and Their Ideas

Set 25. Prints on its own sheet.

  1. 1.Garrett Morgan
  2. 2.Grace Hopper
  3. 3.Levi Strauss
  4. 4.Wilbur and Orville Wright
  5. 5.Louis Daguerre
  6. 6.Cyrus McCormick
  7. 7.Jonas Salk
  8. 8.Alexander Graham Bell

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