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Inventors and Scientists is a free printable Grade 3 to Grade 5 social studies worksheet on how American inventors and scientists changed daily life, aligned to C3 Framework indicator D2.Eco.13.3-5. It prints 2 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 20 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.

Inventors and Scientists

D2.Eco.13.3-5

NameDate

Draw a line from each person to what they did.

1.Draw a line from each one to its match.
  • Alexander Graham Bell
  • Cyrus McCormick
  • Willis Carrier
  • Sally Ride
  • A.Built a mechanical reaper that harvested grain quickly
  • B.Patented the telephone in 1876
  • C.Invented modern air conditioning
  • D.The first American woman in space, in 1983
2.Draw a line from each one to its match.
  • Clarence Birdseye
  • Thomas Edison
  • Benjamin Banneker
  • Jonas Salk
  • A.Developed a long-lasting light bulb and the phonograph
  • B.Developed quick-freezing to keep food fresh
  • C.A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.
  • D.Developed a vaccine against polio

LessonPrint · D2.Eco.13.3-5 · Set 20 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 20. Prints on its own sheet.

  1. 1.1. Alexander Graham Bell — B (Patented the telephone in 1876) 2. Cyrus McCormick — A (Built a mechanical reaper that harvested grain quickly) 3. Willis Carrier — C (Invented modern air conditioning) 4. Sally Ride — D (The first American woman in space, in 1983)
  2. 2.1. Clarence Birdseye — B (Developed quick-freezing to keep food fresh) 2. Thomas Edison — A (Developed a long-lasting light bulb and the phonograph) 3. Benjamin Banneker — C (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.) 4. Jonas Salk — D (Developed a vaccine against polio)

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