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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 10 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.
  • Jonas Salk
  • Sally Ride
  • Alexander Graham Bell
  • The Wright brothers
  • A.Patented the telephone in 1876
  • B.Made the first powered airplane flight in 1903
  • C.The first American woman in space, in 1983
  • D.Developed a vaccine against polio
2.Draw a line from each one to its match.
  • Clarence Birdseye
  • Cyrus McCormick
  • John James Audubon
  • Neil Armstrong
  • A.Built a mechanical reaper that harvested grain quickly
  • B.The first person to walk on the Moon, in 1969
  • C.Painted and described the birds of America
  • D.Developed quick-freezing to keep food fresh

LessonPrint · D2.Eco.13.3-5 · Set 10 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 10. Prints on its own sheet.

  1. 1.1. Jonas Salk — D (Developed a vaccine against polio) 2. Sally Ride — C (The first American woman in space, in 1983) 3. Alexander Graham Bell — A (Patented the telephone in 1876) 4. The Wright brothers — B (Made the first powered airplane flight in 1903)
  2. 2.1. Clarence Birdseye — D (Developed quick-freezing to keep food fresh) 2. Cyrus McCormick — A (Built a mechanical reaper that harvested grain quickly) 3. John James Audubon — C (Painted and described the birds of America) 4. Neil Armstrong — B (The first person to walk on the Moon, in 1969)

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