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Aguiar, Joana G.; Correia, Paulo R. M. – Chemistry Education Research and Practice, 2016
In this paper, we explore the use of concept maps (Cmaps) as instructional materials prepared by teachers, to foster the understanding of chemistry. We choose fireworks as a macroscopic event to teach basic chemical principles related to the Bohr atomic model and matter-energy interaction. During teachers' Cmap navigation, students can experience…
Descriptors: Concept Mapping, Science Instruction, Cues, Chemistry
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Richter, Juliane; Scheiter, Katharina; Eitel, Alexander – Journal of Educational Psychology, 2018
Multimedia integration signals highlight correspondences between text and pictures with the aim of supporting learning from multimedia. A recent meta-analysis revealed that only learners with low domain-specific prior knowledge benefit from multimedia integration signals. To more thoroughly investigate the influence of prior knowledge on the…
Descriptors: Multimedia Materials, Prior Learning, Quasiexperimental Design, Textbooks
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Kiss, Helen G.; Kiss, John Z. – American Biology Teacher, 2005
Contrary to popular belief, plants are very much in tune and in time with their immediate environment. The most important environmental cues for plants are light and gravity. In this article, the authors discuss the effects of light on plant development and use the spores of the sensitive fern (Onoclea sensibilis) in laboratory exercises to…
Descriptors: Cues, Biology, Plants (Botany), Science Instruction