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Design of Physical Games for Learning the Lotus Effect

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Author(s): Wernhuar Tarng | Shih-Hsien Tsai | Chih Ming Lin | Chi-Young Lee | Hsin-Hun Liou

Journal: International Journal of Computer Science & Information Technology
ISSN 0975-4660

Volume: 4;
Issue: 6;
Start page: 37;
Date: 2013;
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Keywords: Nanotechnology | Lotus Effect | Virtual Reality | Physical Game | Situated Learning

ABSTRACT
The lotus effect is a learning topic of nanoscience commonly seen in elementary schools. However,nanostructures cannot be observed with naked eyes or using general microscopes. Lacking interactiveoperating environments, it is not easy to inspire students to explore nanophenomena. This study usedvirtual reality (VR) technology to develop two physical games, namely “Water Drop in the Maze” and“Cleaning the Dust”, to show the macroscopic and microscopic structures of lotus leaves respectively.Students can control the rolling direction of water drop by the 3-axis accelerometers in smart phones ortablet PCs to complete the missions, and observe the hydrophobic effect and self-cleaning effect of the lotusas well the as the scales of water drops, dust and the nanostructure on the surface of lotus leaves. Ateaching experiment was conducted and the results showed the learning achievement of using physicalgames to learn the lotus effect was significantly higher than that of using instructional video. Thequestionnaire results also revealed that most students thought the physical games could enhance theirmotivation and interest in learning the lotus effect.
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