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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 6 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
  • Clarence Birdseye
  • The Wright brothers
  • Willis Carrier
  • A.Invented modern air conditioning
  • B.Developed quick-freezing to keep food fresh
  • C.Made the first powered airplane flight in 1903
  • D.Patented the telephone in 1876
2.Draw a line from each one to its match.
  • Thomas Edison
  • Benjamin Banneker
  • Neil Armstrong
  • Jonas Salk
  • A.The first person to walk on the Moon, in 1969
  • B.Developed a long-lasting light bulb and the phonograph
  • 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 6 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 6. Prints on its own sheet.

  1. 1.1. Alexander Graham Bell — D (Patented the telephone in 1876) 2. Clarence Birdseye — B (Developed quick-freezing to keep food fresh) 3. The Wright brothers — C (Made the first powered airplane flight in 1903) 4. Willis Carrier — A (Invented modern air conditioning)
  2. 2.1. Thomas Edison — B (Developed a long-lasting light bulb and the phonograph) 2. Benjamin Banneker — C (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.) 3. Neil Armstrong — A (The first person to walk on the Moon, in 1969) 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.