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Pereyra, C. J.; Osorio, M.; Laguarda, A.; Gau, D. L. – Physics Education, 2018
In this work we present a simple and low-cost setup to illustrate the dependence of the behaviour of a standing wave in a guitar string with the initial conditions. To do so, we impose two kinds of initial conditions; in the first instance, the initial shape of the string is varied. Secondly, different nodes are imposed on the string. This…
Descriptors: Acoustics, Audio Equipment, Handheld Devices, Scientific Concepts
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Igoe, D. P.; Parisi, A. V. – Physics Education, 2015
Solar current is an increasingly important aspect of modern life and will be even more so crucial in the students' future. Encouraging students to be the "toolmakers" allows students to take ownership of scientific investigations, as well as forcing them to refine their research questions and hypothesis, including the design and…
Descriptors: Physics, Student Developed Materials, Courseware, Class Activities