1. Chapter 1, Lesson 2 How Does a Historian Work? It Matters Because: Knowing how historians work helps us understand historical information.

2. I. What is Evidence? A. Historians use two types of sources Primary 1. Primary - evidence from an eyewitness to an event Secondary 2. Secondary - evidence from a source that is not an eyewitness C. Historians must determine if source is reliable point of view 1. A source’s point of view can affect its reliability. How? a. may influence what information is included & what is not bias 2. A source’s bias can affect its reliability. How? a. information may or may not be given truthfully

3. Portrait of General George Washington, posed for as Commander of the Colonial Army

4. Portrait of Colonel George Washington, depicting him during the French and Indian War; painted in 1800s

5. Da Vinci’s The Last Supper …as a source on the life of Jesus Christ …as a source on Renaissanc e Art

6. Modern Lewis & Clark Map

7. William Clark’s hand-drawn expedition map

8. Genuine Medieval armor and weapons on display at the Art Institute of Chicago

9. A working model of Leonardo’s catapult design, following da Vinci’s plans

10. Da Vinci’s original catapult design

11. …as a source on New York City on 9/11 …as a source on America’s feelings after 9/11 23-year-old Mr. Walls