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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 24 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.
  • Eli Whitney
  • The Wright brothers
  • Neil Armstrong
  • Willis Carrier
  • A.Made the first powered airplane flight in 1903
  • B.Invented modern air conditioning
  • C.Invented the cotton gin, which made cotton profitable and spread slavery
  • D.The first person to walk on the Moon, in 1969
2.Draw a line from each one to its match.
  • Clarence Birdseye
  • John James Audubon
  • Benjamin Banneker
  • Thomas Edison
  • A.Developed a long-lasting light bulb and the phonograph
  • B.A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.
  • C.Painted and described the birds of America
  • D.Developed quick-freezing to keep food fresh

LessonPrint · D2.Eco.13.3-5 · Set 24 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 24. Prints on its own sheet.

  1. 1.1. Eli Whitney — C (Invented the cotton gin, which made cotton profitable and spread slavery) 2. The Wright brothers — A (Made the first powered airplane flight in 1903) 3. Neil Armstrong — D (The first person to walk on the Moon, in 1969) 4. Willis Carrier — B (Invented modern air conditioning)
  2. 2.1. Clarence Birdseye — D (Developed quick-freezing to keep food fresh) 2. John James Audubon — C (Painted and described the birds of America) 3. Benjamin Banneker — B (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.) 4. Thomas Edison — A (Developed a long-lasting light bulb and the phonograph)

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