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Bara, Jason Edward; McLemore, John Patrick – Chemical Engineering Education, 2020
There appears to be no published knowledge regarding how humans use unit conversions. Until very recently, acquiring such data would be essentially impossible, but mobile devices have now enabled many questions to be answered through passive "crowdsourcing" of big data sets. This work details the analysis of five years of anonymous user…
Descriptors: Telecommunications, Handheld Devices, Foreign Countries, Computation
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Straulino, S.; Cartacci, A. – Physics Education, 2014
The measurement of the force acting between two parallel, current-carrying wires is known as Ampère's experiment. A mechanical balance was historically employed to measure that force. We report a simple experiment based on an electronic precision balance that is useful in clearly showing students the existence of this interaction and how to…
Descriptors: Measurement Techniques, Physics, Motion, Energy
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Delgado, Cesar – International Journal of Science Education, 2013
Following a sociocultural perspective, this study investigates how students who have grown up using the SI (Systeme International d'Unites) (metric) or US customary (USC) systems of units for everyday use differ in their knowledge of scale and measurement. Student groups were similar in terms of socioeconomic status, curriculum, native language…
Descriptors: Cross Cultural Studies, Measurement, Metric System, Regression (Statistics)