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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 4 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.
  • Alexander Graham Bell
  • Jonas Salk
  • The Wright brothers
  • Thomas Edison
  • A.Developed a vaccine against polio
  • B.Patented the telephone in 1876
  • C.Made the first powered airplane flight in 1903
  • D.Developed a long-lasting light bulb and the phonograph
2.Draw a line from each one to its match.
  • John James Audubon
  • Clarence Birdseye
  • Benjamin Banneker
  • Eli Whitney
  • A.Invented the cotton gin, which made cotton profitable and spread slavery
  • B.A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.
  • C.Developed quick-freezing to keep food fresh
  • D.Painted and described the birds of America

LessonPrint · D2.Eco.13.3-5 · Set 4 · free to copy for classroom use

Answer key — Inventors and Scientists

Set 4. Prints on its own sheet.

  1. 1.1. Alexander Graham Bell — B (Patented the telephone in 1876) 2. Jonas Salk — A (Developed a vaccine against polio) 3. The Wright brothers — C (Made the first powered airplane flight in 1903) 4. Thomas Edison — D (Developed a long-lasting light bulb and the phonograph)
  2. 2.1. John James Audubon — D (Painted and described the birds of America) 2. Clarence Birdseye — C (Developed quick-freezing to keep food fresh) 3. Benjamin Banneker — B (A self-taught Black astronomer who published almanacs and helped survey Washington, D.C.) 4. Eli Whitney — A (Invented the cotton gin, which made cotton profitable and spread slavery)

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