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Social Studies Review

Grade 4 · Stretch challenge · 10 questions · Version PG-H9DNHQ-1I3S

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1.Why can map projections distort Earth?
2.What is opportunity cost?
3.Why do historians corroborate sources?
4.How is absolute location expressed?
5.What is judicial review?
6.How do checks and balances limit power?
7.What is a push factor in migration?
8.What is federalism?
9.What does supply and demand help determine?
10.What is the rule of law?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 17
  1. Why can map projections distort Earth?A sphere is flattened onto a plane
  2. What is opportunity cost?The next-best choice given up
  3. Why do historians corroborate sources?To compare evidence and improve reliability
  4. How is absolute location expressed?Latitude and longitude
  5. What is judicial review?Courts examine whether laws follow the Constitution
  6. How do checks and balances limit power?Each branch can restrain the others
  7. What is a push factor in migration?A condition that drives people away
  8. What is federalism?Power shared between national and state governments
  9. What does supply and demand help determine?Prices and quantities in markets
  10. What is the rule of law?Everyone, including leaders, is subject to law

Worked example

Identify the time, place, people, and evidence in the question.

Common mistake

Treating an opinion as a historical fact.

Helpful hint

Look for context and source evidence.