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Plummer, Julia D.; Palma, Christopher; Flarend, Alice; Rubin, KeriAnn; Ong, Yann Shiou; Botzer, Brandon; McDonald, Scott; Furman, Tanya – International Journal of Science Education, 2015
This study describes the process of defining a hypothetical learning progression (LP) for astronomy around the big idea of "Solar System formation." At the most sophisticated level, students can explain how the formation process led to the current Solar System by considering how the planets formed from the collapse of a rotating cloud of…
Descriptors: Science Education, Astronomy, Student Attitudes, Interviews
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Wadouh, Julia; Liu, Ning; Sandmann, Angela; Neuhaus, Birgit J. – International Journal of Science and Mathematics Education, 2014
Knowledge structure is an important aspect for defining students' competency in biology learning, but how knowledge structure is influenced by the teaching process in naturalistic biology classroom settings has scarcely been empirically investigated. In this study, 49 biology lessons in the teaching unit "blood and circulatory system" in…
Descriptors: Biology, Science Instruction, Questionnaires, Student Attitudes