Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit...

Students create maps of snow cover for each continent by conducting Internet research. After estimating the percentage of continental snow cover, they present their findings in letters, brochures or Powerpoint presentations.

Second graders research dangerous weather and how they can stay safe. In this environment lesson, 2nd graders view video clips and research the Internet to identify the different types of severe weather storms. Students complete a...