This learning resource explores the transition from Paleolithic to Neolithic life, focusing on the era of the Great Shift when tribes moved from hunting and gathering to farming and building permanent structures. It discusses how the discovery of farming, particularly the planting of wild barley, transformed the way communities lived, prompting them to erect mud-brick homes in the fertile environment of the Fertile Crescent. The resource includes activities for organizing and visualizing key concepts, encourages discussions around environmental factors impacting agricultural practices, and poses 'What If' scenarios to predict changes in tribal life based on environmental conditions.