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 9 of 25 · the same problems every time you open this link.
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.
Salk's polio vaccine, 1955
Carver's farming research, early 1900s
Bell's telephone, 1876
Fulton's steamboat, 1807
A.Southern farmers learned to rotate crops like peanuts to restore the soil
B.People could talk to each other over long distances
C.Boats could travel upriver against the current
D.Children were protected from a disease that could leave them unable to walk
2.Draw a line from each one to its match.
Daguerre's photographs, 1839
Whitney's cotton gin, 1793
Morse's telegraph, 1844
McCormick's reaper, 1831
A.Families could keep true pictures of people for the first time
B.Messages crossed long distances in minutes instead of weeks
C.Farmers harvested much more grain with fewer workers
D.Cotton was cleaned faster, and slavery spread as planters grew more cotton
LessonPrint · D2.Eco.13.3-5 · Set 9 · free to copy for classroom use
Answer key — Inventions That Changed Communities
Set 9. Prints on its own sheet.
1.1. Salk's polio vaccine, 1955 — D (Children were protected from a disease that could leave them unable to walk) 2. Carver's farming research, early 1900s — A (Southern farmers learned to rotate crops like peanuts to restore the soil) 3. Bell's telephone, 1876 — B (People could talk to each other over long distances) 4. Fulton's steamboat, 1807 — C (Boats could travel upriver against the current)
2.1. Daguerre's photographs, 1839 — A (Families could keep true pictures of people for the first time) 2. Whitney's cotton gin, 1793 — D (Cotton was cleaned faster, and slavery spread as planters grew more cotton) 3. Morse's telegraph, 1844 — B (Messages crossed long distances in minutes instead of weeks) 4. McCormick's reaper, 1831 — C (Farmers harvested much more grain with fewer workers)
Last reviewed 2026-09-05. Aligned to D2.Eco.13.3-5 of the C3 Framework for Social Studies State Standards.