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Inventions That Changed Communities is a free printable Grade 3 to Grade 5 social studies worksheet on how an invention changed work and 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 17 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.

Inventions That Changed Communities

D2.Eco.13.3-5

NameDate

Draw a line from each invention to the change it made.

1.Draw a line from each one to its match.
  • Pasteur's heating method, 1860s
  • The Wright brothers' airplane, 1903
  • Ford's moving assembly line, 1913
  • Morse's telegraph, 1844
  • A.Milk and other foods became safer and stayed fresh longer
  • B.People could travel by powered flight
  • C.Messages crossed long distances in minutes instead of weeks
  • D.Cars became cheap enough for many families to buy
2.Draw a line from each one to its match.
  • Daguerre's photographs, 1839
  • Edison's electric light bulb, 1879
  • McCormick's reaper, 1831
  • Salk's polio vaccine, 1955
  • A.Children were protected from a disease that could leave them unable to walk
  • B.Homes and streets could be lit without flames
  • C.Farmers harvested much more grain with fewer workers
  • D.Families could keep true pictures of people for the first time

LessonPrint · D2.Eco.13.3-5 · Set 17 · free to copy for classroom use

Answer key — Inventions That Changed Communities

Set 17. Prints on its own sheet.

  1. 1.1. Pasteur's heating method, 1860s — A (Milk and other foods became safer and stayed fresh longer) 2. The Wright brothers' airplane, 1903 — B (People could travel by powered flight) 3. Ford's moving assembly line, 1913 — D (Cars became cheap enough for many families to buy) 4. Morse's telegraph, 1844 — C (Messages crossed long distances in minutes instead of weeks)
  2. 2.1. Daguerre's photographs, 1839 — D (Families could keep true pictures of people for the first time) 2. Edison's electric light bulb, 1879 — B (Homes and streets could be lit without flames) 3. McCormick's reaper, 1831 — C (Farmers harvested much more grain with fewer workers) 4. Salk's polio vaccine, 1955 — A (Children were protected from a disease that could leave them unable to walk)

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