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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 7 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
  • Willis Carrier
  • Jonas Salk
  • Cyrus McCormick
  • A.Built a mechanical reaper that harvested grain quickly
  • B.Invented modern air conditioning
  • C.Developed a long-lasting light bulb and the phonograph
  • D.Developed a vaccine against polio
2.Draw a line from each one to its match.
  • George Washington Carver
  • Neil Armstrong
  • John James Audubon
  • The Wright brothers
  • A.Painted and described the birds of America
  • B.Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil
  • C.The first person to walk on the Moon, in 1969
  • D.Made the first powered airplane flight in 1903

LessonPrint · D2.Eco.13.3-5 · Set 7 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 7. Prints on its own sheet.

  1. 1.1. Thomas Edison — C (Developed a long-lasting light bulb and the phonograph) 2. Willis Carrier — B (Invented modern air conditioning) 3. Jonas Salk — D (Developed a vaccine against polio) 4. Cyrus McCormick — A (Built a mechanical reaper that harvested grain quickly)
  2. 2.1. George Washington Carver — B (Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil) 2. Neil Armstrong — C (The first person to walk on the Moon, in 1969) 3. John James Audubon — A (Painted and described the birds of America) 4. The Wright brothers — D (Made the first powered airplane flight in 1903)

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