This unit plan is based on the NYS Common Core Standards for 4th grade and the Social Studies Curriculum. There are a total of three lessons, one virtual field trip, and three learning centers included in this unit plan. For each learning experience there are rubrics and materials to aid in the implementation of the lessons and grading of students. There is also a unit rationale included which has references cited for the rational of the entire unit plan. The link to the virtual field trip Prezi presentation is also included in this unit plan.