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Elsworth, Catherine; Li, Barbara T. Y.; Ten, Abilio – Journal of Chemical Education, 2017
In this letter we present an innovative and cost-effective method of constructing crystal structures using Dual Lock fastening adhesive tape with table tennis (ping pong) balls. The use of these fasteners allows the balls to be easily assembled into layers to model various crystal structures and unit cells and then completely disassembled again.…
Descriptors: Hands on Science, Science Activities, Models, Physical Sciences
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Palmer, David H.; Dixon, Jeanette; Archer, Jennifer – Science Education, 2016
Situational interest is short-term interest that is linked to environmental factors in a particular situation. Previous studies have found that some science teaching techniques can be very effective in generating situational interest among students, but the reasons why these are effective remain unclear: Hands-on activities, for example, are known…
Descriptors: Science Instruction, Student Interests, Teaching Methods, Preservice Teachers