Investigate the different types of pollution that storm drain runoff carries into oceans, lakes, rivers, and streams with this class demonstration. Using an aquarium and an assortment of everyday items that contaminants like motor oil,...

As part of their examination of forest ecosystems, class members examine how foresters, biologists, botanists, geologists, and hydrologists work to together to develop a management plan for sustainable forests.

For as small as they are, plankton sure play an enormous role in maintaining marine ecosystems. Dive into an investigation of these tiny organisms with a hands-on life science activity in which children cut out pictures of sea...

In this activity, explore the distinct characteristics of a river by creating a river model inside a pan with sand, pebbles, and real water.