Closing the Loop (CTL) is a science curriculum designed to introduce students to integrated waste management through awareness. This document presents five lesson plans focusing on developing an understanding of natural resources, solid wastes, conservation, and the life of landfills. Contents include: (1) "What Are Natural Resources?"; (2)…

Describes the implementation of the innovative Guided Discovery Curriculum at the National College of Chiropractic. Emphasizes the relevance of biochemical principles to clinical practice through the selection of two clinical cases. (DDR)

Details the use of online homework assignments designed to more actively engage students in a general education geoscience course. Concludes that students come to class better prepared and that both groups benefit from a problem-based learning approach. (Contains 17 references.) (DDR)

Explains the process of student and teacher collaboration on a project to develop a faster electrolysis mechanism. Provides a good example of the problem-based approach to science instruction and curriculum. (DDR)

Lends support to the idea that the quality of the cases used in problem-based learning affects the nature of student learning in this context. Outlines seven principles adapted from research on learning and cognition that can help guide case design. Contains 22 references. (DDR)