What happens when a non-native species is introduced onto an island? Santa Cruz Island, part of the Channel Island chain located off the coast of southern California, provides the perfect laboratory for young environmental scientists to...

Students discover how worms contribute to the balance of the environment. In this composting lesson, students study the composting and decomposition processes. Students then create habitats for worms that allow them to do their jobs.

Use this site to learn about Louis Pasteur's contributions to the world of science and to lives of ordinary people. View the "related links" as well as the bibliographical references from which images for the website were scanned.