Students investigate the Underground Railroad. In this slavery lesson plan, students read books about slavery, the Undeground Railroad, and how slaves escaped the south. Students develop knowledge about coded songs and constellations...

The Alaskan wilderness contains every imaginable element of the water cycle: it has flowing streams, cool spring rain, and frozen glaciers. Pupils use a series of worksheets to identify and define evaporation, condensation, and...

Students act as archeologists to examine, describe and hypothesize about 'artifacts' they have been given for their archeological interpretation. They rely on the descriptions and hypotheses of other students to identify the 'artifacts'...