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Konski, Krzysiek; Saw, Jessica; Torriero, Angel A. J. – Journal of Chemical Education, 2017
This letter comments on the paper "Analysis of Citric Acid in Beverages: Use of an Indicator Displacement Assay" ["J. Chem. Educ." 2010, 87 (8), 832-835 (EJ918557)]. Discrepancies in figures and host:indicator complex behavior are discussed and an alternative experimental protocol presented.
Descriptors: Undergraduate Students, College Science, Chemistry, Science Laboratories
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Hern, Nicola – Education in Science, 2013
Whether it is a rapid-fire Twitter event as part of #ASEchat, or BBC Radio 4's "Inside Science," the discussion of practical work generates powerful debate. While it is right that the best use of practical work is continually discussed, its value in science teaching is without question. The level of discussion is being further heightened…
Descriptors: Foreign Countries, STEM Education, Secondary School Science, College Science
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Kirschner, Paul; Huisman, Willibrord – International Journal of Science Education, 1998
Identifies the problems associated with the use of dry laboratories in science education, presents design considerations for the use of such practicals in science education, and presents examples of innovative nontraditional practicals. Contains 23 references. (DDR)
Descriptors: Computer Uses in Education, Concept Formation, Foreign Countries, Hands on Science