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Assessing Changes in High School Students' Conceptual Understanding through Concept Maps before and after the Computer-Based Predict-Observe-Explain (CB-POE) Tasks on Acid-Base Chemistry at the Secondary Level

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Yaman, Fatma; Ayas, Alipasa – Chemistry Education Research and Practice, 2015

Although concept maps have been used as alternative assessment methods in education, there has been an ongoing debate on how to evaluate students' concept maps. This study discusses how to evaluate students' concept maps as an assessment tool before and after 15 computer-based Predict-Observe-Explain (CB-POE) tasks related to acid-base chemistry.…

Descriptors: Science Instruction, High School Students, Secondary School Science, Concept Mapping

Students' Perceptions, Attitudes, and Incorporation of Demonstrations, Popular Media Videos, and Animations Concerning Chemical Reactions

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Schlosser, Sarah Elizabeth – ProQuest LLC, 2012

Students often struggle with learning complex chemistry concepts. In today's society with the advances in multimedia technology, educators have a variety of tools available to help students learn these concepts. These tools include demonstrations, videos in the popular media, and animations; referred to collectively as multimethods. With the…

Descriptors: Chemistry, Scientific Concepts, Science Instruction, Video Technology