1. The Columbian Exchange Ms. Elias 8 th Grade US History iMater Academy 2014-2015

3. The Columbian Exchange Brought a movement of plants, animals, and diseases between the Eastern and Western hemispheres. This movement of living things between hemispheres is called the Columbian Exchange.

4. Negative Effects Smallpox, measles, and influenza killed many Native Americans who had no immunity towards these diseases. Europeans decreased Naïve American populations by 90 to 95 % between the years 1519 and 1619.

5. Positive Effects in the Americas Europeans brought plants and animals to the Americas. European cattle, pigs, and horses all thrived in the Americas. Plants from Europe, such as grapes, onions, and wheat, also thrived in the Americas.

6. Positive Effects in Europe The Columbian Exchange benefited Europe, too. American crops became part of the European diet. Corn and Potatoes from the Americas helped feed European populations that might otherwise have gone hungry.

7. Lecture Review Questions Answer the following questions: 1. What is the Columbian Exchange? 2. What were the positive effects of the Columbian Exchange? 3. What were the negative effects of the Columbian Exchange?

8. Critical Thinking Activity 1. Create a T-Chart like the one below. List the Negative and Positive Effects of the Columbian Exchange. Positive EffectsNegative Effects 2. Do you think the positive aspects of the Columbian Exchange outweighed the negative aspects? Explain. NOTE: You must provide 2 supporting statements that support your argument.

9. Essential Question Why do people trade?