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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 9 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.
  • Thomas Edison
  • Jonas Salk
  • George Washington Carver
  • John James Audubon
  • A.Painted and described the birds of America
  • B.Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil
  • C.Developed a vaccine against polio
  • D.Developed a long-lasting light bulb and the phonograph
2.Draw a line from each one to its match.
  • Cyrus McCormick
  • Clarence Birdseye
  • Neil Armstrong
  • Sally Ride
  • A.Built a mechanical reaper that harvested grain quickly
  • B.The first person to walk on the Moon, in 1969
  • C.Developed quick-freezing to keep food fresh
  • D.The first American woman in space, in 1983

LessonPrint · D2.Eco.13.3-5 · Set 9 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 9. Prints on its own sheet.

  1. 1.1. Thomas Edison — D (Developed a long-lasting light bulb and the phonograph) 2. Jonas Salk — C (Developed a vaccine against polio) 3. George Washington Carver — B (Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil) 4. John James Audubon — A (Painted and described the birds of America)
  2. 2.1. Cyrus McCormick — A (Built a mechanical reaper that harvested grain quickly) 2. Clarence Birdseye — C (Developed quick-freezing to keep food fresh) 3. Neil Armstrong — B (The first person to walk on the Moon, in 1969) 4. Sally Ride — D (The first American woman in space, in 1983)

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