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Kersting, Magdalena; Steier, Rolf – Science & Education, 2018
According to general relativity (GR), we live in a four-dimensional curved universe. Since the human mind cannot visualize those four dimensions, a popular analogy compares the universe to a two-dimensional rubber sheet distorted by massive objects. This analogy is often used when teaching GR to upper secondary and undergraduate physics students.…
Descriptors: Science Instruction, Teaching Methods, Scientific Concepts, Online Courses
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Raven, Sara; Klein, Vanessa; Namdar, Bahadir – Science Teacher, 2016
Argumentation has long been promoted as a core scientific practice in which students should engage, yet science classrooms still often omit it. One remedy is to incorporate socioscientific issues (SSIs) in the curricula. SSIs are open-ended and complex, typically subject to multiple perspectives and solutions. These issues, influenced by science…
Descriptors: Persuasive Discourse, Criticism, Critical Thinking, Skill Development
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Wassell, Beth A.; Martin, Sonya N.; Scantlebury, Kathryn – TESOL Journal, 2013
Given the collaborative nature of the TESOL profession, models are needed that provide opportunities for teachers and other school-based stakeholders to interact with students to understand their successes, challenges, and particular needs more clearly. In this article, the authors advocate for the use of cogenerative dialogues, a promising…
Descriptors: Dialogs (Language), Teaching Methods, English (Second Language), Second Language Instruction