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Ruben R. Puentedura: The Samr Model: Background and Exemplars [Pdf]
Dr. Ruben Puentedura created the SAMR Model. This is a set of 69 slides from a presentation. He explains the four levels of SAMR and what technology has to offer for each level. He then looks at the different subject areas and how SAMR...
University of Nebraska
Univ. Of Nebraska Lincoln: Titration of a Diprotic Acid
An experiment to identify an unknown diprotic acid using a CBL system. A brief discussion of diprotic acids is given.