Houghton Mifflin Social Studies
Lesson at a Glance Outline

Chapter 3, Lesson 1: Understanding History (pp. 56-61)

I. Historical Evidence

II. The Evaluation of Sources

    A. Historians ask questions about a source to determine how accurate and useful it is.

    B. Primary sources are materials created in the same time period as the events described.

    C. Secondary sources are materials created later by people who studied the original or primary sources.

III. The Puzzle of History

    A. Each generation has historians who gather and interpret sources of information about the past. The interpretation varies from generation to generation.

    B. Historians work to understand not only what happened in the past, but also how and why it happened.

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