At technical colleges and secondary-level tech schools, students enrolled in basic electronics labs who have learned about diodes that do rectification are used to seeing power diodes like the 1N4001. When the students are introduced to low-power zener diodes and signal diodes, component identification gets more complex. If the small zeners are…

In Mr. Wood's technology class, students learned about many aspects of engineering, including design of a product, teamwork, testing hypotheses, and testing the final product. In this article, the author describes how his class, particularly his team, applied everything they learned about the process to their kayak design challenge using the IDEAL…

Service learning involves learning a variety of skills through the act of service. It is a powerful teaching strategy that can enrich student learning, enhance teaching, and revitalize communities. This increasingly popular strategy offers a framework in which students can recall and apply more of what they learn than in traditional content-based…