Students describe the characteristics of a mammal. They also differentiate between a companion and a wild animal. The lesson has an assessment included in it. They have a discussion to tap prior knowledge about what a mammal is.

Eighth graders examine the components of a watershed. They view overheads, discuss the hydrologic cycle, and observe a demonstration of a soil erosion box.

High schoolers explore recent breakthroughs in H.I.V. and AIDS research, as well as research various epidemics that have devastated the world population at various points in history.

Students identify and define geology and earth surface vocaulary and their meanings to classify rocks and explore caves and their properties. Students find rocks and test them according to Moh's scale. They create a color coded earth...