The effectiveness of using a set of models in two protein synthesis laboratory exercises accompanied by a series of two lectures on the topic was assessed. The purpose, procedure, example test items, the findings, and a discussion are included. (KR)

Presents a practical model for planning and implementing a field trip as an integral part of the science curriculum. Reviews the literature related to the role of field trips in the learning process; describes the model; and provides an example implementing the learning cycle method. (Contains 17 references.) (MDH)

Discusses the Technology, Science, Mathematics Integration Project's technological problem-solving method, briefly describes 15 activities and the corresponding technology, science, and mathematics content involved (including 1 detailed example), and proposes a general structure of the activities and research in support of this approach. (MKR)