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Inventions and Their Side Effects is a free printable Grade 3 to Grade 5 social studies worksheet on the benefits and side effects of American inventions, aligned to C3 Framework indicator D2.Eco.8.3-5. It prints 8 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 5 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 and Their Side Effects

D2.Eco.8.3-5

NameDate

Circle the best answer.

1.The Interstate Highways let trucks carry goods fast. What was one cost?
  • A.Railroads were all made illegal
  • B.Trucks became slower
  • C.Some city neighborhoods were torn down to build them
2.Chemical fertilizers raised harvests. What can happen when rain washes them into rivers?
  • A.They can harm fish and other water life
  • B.They make the river water cleaner
  • C.They turn the water into fuel
3.The pesticide DDT killed insect pests. What did scientists find it also did?
  • A.It harmed birds such as the bald eagle
  • B.It helped birds lay stronger eggs
  • C.It made crops grow taller
4.Cars let families live farther from work. What is one side effect for the air?
  • A.The air has no change at all
  • B.Exhaust from cars adds to air pollution
  • C.Cars clean the air as they drive
5.Early steamboats burned wood for fuel. What happened along the rivers?
  • A.New forests grew faster
  • B.Forests along the banks were cut down
  • C.The rivers flowed backward
6.Vaccines such as the polio vaccine changed medicine. What was the benefit?
  • A.Hospitals had to close
  • B.Doctors were no longer needed
  • C.Fewer people caught dangerous diseases
7.Big dams on Western rivers made electricity and stored water. What did they cost?
  • A.They flooded valleys and blocked salmon from swimming upstream
  • B.They dried up the ocean
  • C.They stopped all rain in the West
8.Air conditioning helped cities in hot places such as Arizona and Florida grow. What is one cost?
  • A.It stops cities from growing
  • B.It uses a great deal of electricity
  • C.It makes summers cooler outdoors

LessonPrint · D2.Eco.8.3-5 · Set 5 · free to copy for classroom use

Answer key — Inventions and Their Side Effects

Set 5. Prints on its own sheet.

  1. 1.Some city neighborhoods were torn down to build them
  2. 2.They can harm fish and other water life
  3. 3.It harmed birds such as the bald eagle
  4. 4.Exhaust from cars adds to air pollution
  5. 5.Forests along the banks were cut down
  6. 6.Fewer people caught dangerous diseases
  7. 7.They flooded valleys and blocked salmon from swimming upstream
  8. 8.It uses a great deal of electricity

Last reviewed 2026-09-05. Aligned to D2.Eco.8.3-5 of the C3 Framework for Social Studies State Standards.