Students explore ways to protect the earth.  In this environmental issues and technology lesson, students investigate the water quality in their community and compare their findings to the water quality in other geographic...

In this first part of a two-part lesson, learners track and record the sun's azimuth using a solar panel. They graph and analyze the data to identify relationships among the time of day, the altitude and azimuth of the sun, and the...

Students, after researching and brainstorming about aquifers and locating aquifer maps of Texas, participate in the building of a model of an aquifer complete with a pumping station. They also answer a variety of questions at the...

Fourth graders collect data about the habitats of pinniped adaptations using digital probes. They determine how pinnipeds make adaptations to their natural environment by completing an experiment to determine how human and pinniped...

Students are introduced to the concepts of graywater and water reuse within households. They calculate the amount of used water a family generates in one day and use a model of home plumbing to find out how much graywater is produced in...