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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 18 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.
  • Willis Carrier
  • George Washington Carver
  • Clarence Birdseye
  • Benjamin Banneker
  • A.Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil
  • B.Invented modern air conditioning
  • C.A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.
  • D.Developed quick-freezing to keep food fresh
2.Draw a line from each one to its match.
  • Neil Armstrong
  • Jonas Salk
  • Alexander Graham Bell
  • The Wright brothers
  • A.Developed a vaccine against polio
  • B.Made the first powered airplane flight in 1903
  • C.The first person to walk on the Moon, in 1969
  • D.Patented the telephone in 1876

LessonPrint · D2.Eco.13.3-5 · Set 18 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 18. Prints on its own sheet.

  1. 1.1. Willis Carrier — B (Invented modern air conditioning) 2. George Washington Carver — A (Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil) 3. Clarence Birdseye — D (Developed quick-freezing to keep food fresh) 4. Benjamin Banneker — C (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.)
  2. 2.1. Neil Armstrong — C (The first person to walk on the Moon, in 1969) 2. Jonas Salk — A (Developed a vaccine against polio) 3. Alexander Graham Bell — D (Patented the telephone in 1876) 4. The Wright brothers — B (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.