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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 16 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.
  • John James Audubon
  • Sally Ride
  • The Wright brothers
  • Samuel Morse
  • A.Painted and described the birds of America
  • B.Developed the telegraph and a code of dots and dashes
  • C.The first American woman in space, in 1983
  • D.Made the first powered airplane flight in 1903
2.Draw a line from each one to its match.
  • Willis Carrier
  • Eli Whitney
  • George Washington Carver
  • Jonas Salk
  • A.Invented the cotton gin, which made cotton profitable and spread slavery
  • B.Developed a vaccine against polio
  • C.Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil
  • D.Invented modern air conditioning

LessonPrint · D2.Eco.13.3-5 · Set 16 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 16. Prints on its own sheet.

  1. 1.1. John James Audubon — A (Painted and described the birds of America) 2. Sally Ride — C (The first American woman in space, in 1983) 3. The Wright brothers — D (Made the first powered airplane flight in 1903) 4. Samuel Morse — B (Developed the telegraph and a code of dots and dashes)
  2. 2.1. Willis Carrier — D (Invented modern air conditioning) 2. Eli Whitney — A (Invented the cotton gin, which made cotton profitable and spread slavery) 3. George Washington Carver — C (Taught Southern farmers to plant peanuts and sweet potatoes to restore worn-out soil) 4. Jonas Salk — B (Developed a vaccine against polio)

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