2.  Paleolithic – old stone age  Characterized by hunters and gatherers  Neolithic – new stone age  The Neolithic period begins with the invention of farming

3.  Farming = agriculture  Because of agriculture, nomads (people who move from place to place) could settle down and create communities and villages. This encouraged the population to grow  As the population grew, new technlogies were developed

4.  The use of tools to help you accomplish a task.

5.  Means “the land between two rivers”  It is the stretch of land between the Tigris and Euphrates rivers in present day Iraq.