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Investigation of Prospective Science Teachers' Understandings on Ergastic Substances with the Semantic Mappings
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Zorlu, Yusuf; Zorlu, Fulya – International Journal of Psychology and Educational Studies, 2021
The aim of this study was investigated of prospective science teachers' understandings on ergastic substances with the semantic mappings. This study was phenomenological research method. 38 prospective science teachers in the science teaching department of a public university participated in the research. The prospective science teachers were…
Descriptors: Semantics, Preservice Teachers, Teacher Education Programs, Science Instruction
Investigation of Undergraduate and Graduate Chemistry Students' Understanding of Thermodynamic Driving Forces in Chemical Reactions and Dissolution
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Bain, Kinsey; Towns, Marcy H. – Journal of Chemical Education, 2018
The concept of energy is of central significance, as it is a core disciplinary idea in chemistry and a cross-cutting concept in the sciences. This study sought to investigate student understanding of energetics and associated thermodynamic functions in chemical reactions and processes across a sample of introductory-level undergraduate chemistry…
Descriptors: College Students, Chemistry, Knowledge Level, Thermodynamics
Developing Students' Ideas about Lens Imaging: Teaching Experiments with an Image-Based Approach
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Grusche, Sascha – Physics Education, 2017
Lens imaging is a classic topic in physics education. To guide students from their holistic viewpoint to the scientists' analytic viewpoint, an image-based approach to lens imaging has recently been proposed. To study the effect of the image-based approach on undergraduate students' ideas, teaching experiments are performed and evaluated using…
Descriptors: Physics, Undergraduate Students, Science Experiments, Qualitative Research
Students' Ideas about Prismatic Images: Teaching Experiments for an Image-Based Approach
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Grusche, Sascha – International Journal of Science Education, 2017
Prismatic refraction is a classic topic in science education. To investigate how undergraduate students think about prismatic dispersion, and to see how they change their thinking when observing dispersed images, five teaching experiments were done and analysed according to the Model of Educational Reconstruction. For projection through a prism,…
Descriptors: Science Instruction, Physics, Learning Activities, Undergraduate Students
Cognitive Pathways: Analysis of Students' Written Texts for Science Understanding
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Grimberg, Bruna Irene; Hand, Brian – International Journal of Science Education, 2009
The purpose of this study was to reconstruct writers' reasoning process as reflected in their written texts. The codes resulting from the text analysis were related to cognitive operations, ranging from simple to more sophisticated ones. The sequence of the cognitive operations as the text unfolded represents the writer's cognitive pathway at the…
Descriptors: Cognitive Processes, Content Analysis, Grade 7, Middle School Students
Drops of Water and of Soap Solution: Students' Constraining Mental Models of the Nature of Matter
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Eilam, Billie – Journal of Research in Science Teaching, 2004
This study investigates how 25 junior high school students employed their bodies of knowledge and responded to problem cues while individually performing a science experiment and reasoning about a drops phenomenon. Line-by-line content analysis conducted on students' written ad hoc explanations aimed to reveal students' concepts and their…
Descriptors: Junior High School Students, Science Experiments, Cues, Content Analysis