While much of prehistory is cloaked in mystery, ancient ancestors left evidence in DNA, languages, and materials from their time. Using photographs of items such as cave paintings and ancient tools, as well as maps of linguistic patterns...

Students read about how scientists are arriving at current theories of human origin and migration through mitochondrial DNA analysis. They then piece together a map showing the data from mitochondrial DNA analysis to plot the migration...

Fifth graders identify the reasons for people migrating to cities after the Civil War. Using population data, they discover why populations in cities rose while rural populations fell during 1860 to 1900. They discuss the impact a...

Fifth graders explore U.S. geography by reading assigned text about American Indians. In this migration lesson, 5th graders identify the differences between Native Americans and European settlers who traveled through middle America in...

Students construct models of early gas balloons and gliders. For this balloon and glider lesson, students create models of early gas balloons and gliders, discover how the forces of lift and drag effect aircraft in flight, and put on...