This Columbian Exchange Interactive Lesson includes several engaging resources that will help your students fully-understand the impact this event had on the world. First, is an interactive sort activity, which has students working together to evaluate 24 items from either the New World or Old World. Students are given cards with items like pumpkins, chocolate, peppers, pineapple, etc and must figure out if each is an Old World or a New World good.After determining where each item was from, stud