The Teacher Edition explains how to guide student research and engineering design projects. Classroom-ready materials include detailed background information, sample assessment tasks, and rubrics, and guidelines for integrating peer review into classroom science. The Student Edition includes:.:.; An overview of basic principles of biodegradation and how they apply in composting, landfills, wastewater treatment, and bioremediation systems.; Protocols that provide instructions for conducting experiments on biological, chemical, and physical aspects of biodegradation.; Forms to guide students.