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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 14 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.
  • The Wright brothers' airplane, 1903
  • Carver's farming research, early 1900s
  • Morse's telegraph, 1844
  • Edison's electric light bulb, 1879
  • A.Messages crossed long distances in minutes instead of weeks
  • B.Homes and streets could be lit without flames
  • C.Southern farmers learned to rotate crops like peanuts to restore the soil
  • D.People could travel by powered flight
2.Draw a line from each one to its match.
  • Salk's polio vaccine, 1955
  • Bell's telephone, 1876
  • Daguerre's photographs, 1839
  • Ford's moving assembly line, 1913
  • A.Cars became cheap enough for many families to buy
  • B.Children were protected from a disease that could leave them unable to walk
  • C.Families could keep true pictures of people for the first time
  • D.People could talk to each other over long distances

LessonPrint · D2.Eco.13.3-5 · Set 14 · free to copy for classroom use

Answer key — Inventions That Changed Communities

Set 14. Prints on its own sheet.

  1. 1.1. The Wright brothers' airplane, 1903 — D (People could travel by powered flight) 2. Carver's farming research, early 1900s — C (Southern farmers learned to rotate crops like peanuts to restore the soil) 3. Morse's telegraph, 1844 — A (Messages crossed long distances in minutes instead of weeks) 4. Edison's electric light bulb, 1879 — B (Homes and streets could be lit without flames)
  2. 2.1. Salk's polio vaccine, 1955 — B (Children were protected from a disease that could leave them unable to walk) 2. Bell's telephone, 1876 — D (People could talk to each other over long distances) 3. Daguerre's photographs, 1839 — C (Families could keep true pictures of people for the first time) 4. Ford's moving assembly line, 1913 — A (Cars became cheap enough for many families to buy)

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