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=Columbian Exchange=

__**Introduction**__ 
The Columbian Exchange is known as the trade of goods throughout the world during the early American history. The Columbian Exchange is known for permanently altering ecosystems and cultures throughout the world. The Columbian Exchange is responsible for a lot of positive changes in the world. A main impact was the trade of goods throughout the world, specifically food and livestock. The Columbian Exchange took two separate worlds and made it one, forever changing the world we know.
 * || Contents ||
 * Home || Rationale, Learning Objectives, Prerequisites, Lesson Activator ||
 * Unit 1 || The Search for Gold and Spread of Christianity ||
 * Unit 2 || Food & Culture Exchange ||
 * Unit 3 || Ecosystems in Distress (unintended consequences) ||
 * || Origins: Food and Animals ||

__**Rationale**__
The rationale for this short lesson on the Columbian exchange is for the learner to identify how changes in history have shaped the landscape with which we live in. Additionally, making connections with our surroundings creates deeper meaning for the world we live in, provides a context for discussion and establishes a foundation for additional learning.

The Columbian Exchange was chosen to demonstrate the significant historical, physical and cultural impact that man has made throughout the world-from changing ethnicity and culture between hemispheres to influencing the crops and diets consumed in diverse countries. This is useful to a learner since it can break down previous misconceptions on the origins of human ethnicity and foods within various countries while rebuilding a more informed, factual historical knowledge base.
 * Supplemental Rationale:**

__Learning Objectives__
After completing the units on Columbian exchange, learners will be able to:
 * 1) Define events that led to the Columbian Exchange
 * 2) Identify common crops, their origins and name two crops that have had a significant influence on cuisine
 * 3) Describe the impact the Exchange had on the the ecosystem, specifically exchange of goods, animals and disease

__Prerequisites:__
For this short lesson, learners should possess the following prior to commencing:
 * **A computer with online access to the Internet**
 * **Successful Completion of a high school or college level academic course in European and/or American History, or a home schooled course equivalent, relating to Christopher Columbus and his discovery of America**

__**Activator :**__
Break down the folksonomies by taking the following test on the origin of the items in these **[|pictures] **. Do you know the origins of the objects in these pictures? Sometimes what we know about cuisine and culture was once drastically different......**Unit 1**