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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 3 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.
  • Samuel Morse
  • Neil Armstrong
  • Sally Ride
  • Alexander Graham Bell
  • A.Developed the telegraph and a code of dots and dashes
  • B.The first person to walk on the Moon, in 1969
  • C.Patented the telephone in 1876
  • D.The first American woman in space, in 1983
2.Draw a line from each one to its match.
  • Thomas Edison
  • Willis Carrier
  • John James Audubon
  • Benjamin Banneker
  • A.A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.
  • B.Invented modern air conditioning
  • C.Painted and described the birds of America
  • D.Developed a long-lasting light bulb and the phonograph

LessonPrint · D2.Eco.13.3-5 · Set 3 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 3. Prints on its own sheet.

  1. 1.1. Samuel Morse — A (Developed the telegraph and a code of dots and dashes) 2. Neil Armstrong — B (The first person to walk on the Moon, in 1969) 3. Sally Ride — D (The first American woman in space, in 1983) 4. Alexander Graham Bell — C (Patented the telephone in 1876)
  2. 2.1. Thomas Edison — D (Developed a long-lasting light bulb and the phonograph) 2. Willis Carrier — B (Invented modern air conditioning) 3. John James Audubon — C (Painted and described the birds of America) 4. Benjamin Banneker — A (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.)

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