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Düsing, Katharina; Asshoff, Roman; Hammann, Marcus – Journal of Biological Education, 2019
This study investigates students' conceptions of the carbon cycle with regard to the components they believe to be relevant to the carbon cycle, how they interrelate these components, the ways in which they trace carbon atoms, and the different levels of biological organisation they consider when doing so. A total of 142 students aged 13-16 years…
Descriptors: Scientific Concepts, Grade 8, Grade 9, Grade 10
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Kapp, Sebastian; Thees, Michael; Strzys, Martin P.; Beil, Fabian; Kuhn, Jochen; Amiraslanov, Orkhan; Javaheri, Hamraz; Lukowicz, Paul; Lauer, Frederik; Rheinländer, Carl; Wehn, Norbert – Physics Teacher, 2019
During the last decade the development of modern digital media such as smartphones and tablet computers has enabled new experimental possibilities in STEM education. Besides these now nearly ubiquitous devices, the fields of virtual reality (VR) and augmented reality (AR) also made huge progress and reached education. In this paper we introduce an…
Descriptors: Science Instruction, Secondary School Science, High School Students, Computer Simulation
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Erickson, Brian; Crews, Tracy – Science Teacher, 2019
This article describes a five-lesson curriculum that introduces students to the primary cause, multiple predicted impacts, and possible solutions to ocean acidification. It builds upon the strengths of over 90 existing teaching resources on the topic while also contributing new ways to teach about the impacts and solutions to this pressing…
Descriptors: Science Instruction, Oceanography, Teaching Methods, Science Teachers
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Saputri, Arnita Cahya; Sajidan; Rinanto, Yudi; Prasetyanti, Nanik Murti – International Journal of Instruction, 2019
Critical thinking skills are one of the important skills in dealing with the demands and challenges of the 21st century. This study aims to determine the effectiveness of Stimulating Higher-Order-Thinking Skills (Stim-HOTs) model in improving students' critical-thinking skills on cell metabolism topic. This research is quasiexperimental research…
Descriptors: Critical Thinking, Thinking Skills, Cytology, Student Improvement
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Stringer, Elizabeth I.; Hendrix, Jasmine D.; Swortzel, Kirk A.; Williams, J. Byron; Schilling, M. Wes – Journal of Food Science Education, 2019
Historically, high school chemistry has been the predominate venue for the introduction of food science curriculum to students. With the current decline in chemistry as a required course for graduation, the possibility of exposure to food science in high school could equally decline. The purpose of this research was to determine if high school…
Descriptors: Foods Instruction, Chemistry, High School Students, Science Instruction
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Belland, Brian R.; Weiss, D. Mark; Kim, Nam Ju; Piland, Jacob; Gu, Jiangyue – International Journal of Science and Mathematics Education, 2019
In this study, we investigated how high school credit recovery students worked in small groups and used computer-based scaffolds to conduct scientific inquiry in a problem-based learning unit centered on water quality. We examined how students searched for and evaluated information from different sources, and used evidence to support their claims.…
Descriptors: Science Instruction, High School Students, Scientific Research, Scaffolding (Teaching Technique)
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Smith, Catherine J.; Mansfield, Steven J.; Anderson, Edward A.; Burton, Jonathan W. – Journal of Chemical Education, 2019
Organic synthesis in a modern research laboratory uses state-of-the-art equipment to provide inert atmospheres, track reaction progress, and facilitate the purification of intermediates. Such facilities are not available in a high school laboratory. In this paper, synthetic organic chemistry is taken back to basics: A four step total synthesis of…
Descriptors: Science Instruction, Laboratory Experiments, Universities, Foreign Countries
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Limpanuparb, Taweetham; Kanithasevi, Siradanai; Lojanarungsiri, Maytouch; Pakwilaikiat, Puh – Journal of Chemical Education, 2019
We discuss the use of a simple piece of equipment made of a 50 mL syringe attached to a 2 mL graduated pipet to demonstrate Boyle's law and Charles's law. A plot of the hydrostatic pressure against the reciprocal of the volume of the gas read from the equipment is linear as discussed in the paper and gives the atmospheric pressure at the…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Laboratory Experiments
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Rusek, Martin; Vojír, Karel – Chemistry Education Research and Practice, 2019
This paper focuses on the procedure and results for analyzing text-difficulty in lower-secondary chemistry textbooks in the Czech Republic. The authors use established methodology for text-difficulty analysis by Nestler, adapted by Prucha and Pluskal by adding a second independent analyser to improve reliability. Some textbooks do not follow the…
Descriptors: Textbooks, Secondary School Science, Difficulty Level, Chemistry
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Moreira, Patricia; Marzabal, Ainoa; Talanquer, Vicente – Chemistry Education Research and Practice, 2019
The central goal of this research study was to characterise the different types of reasoning manifested by high school chemistry students when building initial written explanations of a natural phenomenon. In particular, our study participants were asked to explain why a mixture of water and alcohol works as an antifreeze. Data collected in the…
Descriptors: Logical Thinking, Chemistry, Science Instruction, Scientific Concepts
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Ye, Jianqiang; Lu, Shanshan; Bi, Hualin – Chemistry Education Research and Practice, 2019
This study uses graphs of conductivity measured by a microcomputer-based laboratory (MBL) to promote students' macro, micro, and symbolic representations when learning about net ionic reactions (NIR). A total of 54 students, aged 14-15 years old participated in this research, and were randomly divided into an experimental group (N = 27) and a…
Descriptors: Science Instruction, Science Laboratories, Scientific Concepts, Concept Formation
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Eymur, Guluzar – Chemistry Education Research and Practice, 2019
The aim of the present study was to investigate the influence of the explicit nature of science instruction embedded in the Argument-Driven Inquiry method compared with an implicit inquiry method on eleventh grade students' conceptions of NOS. The study used a pre-/post-test control group design to investigate the influence of the explicit nature…
Descriptors: Science Instruction, Scientific Principles, Persuasive Discourse, High School Students
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Kok, Karel; Priemer, Burkhard; Musold, Wiebke; Masnick, Amy – Physical Review Physics Education Research, 2019
In this study with 153 middle school students, we investigate the influence of the number of decimal places from the reading of a measurement device on students' decisions to change or keep an initial hypothesis about falling objects. Participants were divided into three groups, introduced to two experiments--the time it takes a free falling…
Descriptors: Middle School Students, Measurement, Physics, Science Instruction
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Meyerhöffer, Nina; Dreesmann, Daniel C. – International Journal of Science Education, 2019
The dominant role of English as the global language of science entails a requirement for science teachers to equip their non-native English-speaking students with receptive and productive language skills for communication in scientific contexts. Although science courses with English elements are part of some schools' bilingual programmes, they are…
Descriptors: Biology, Science Instruction, Bilingual Education, Course Content
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Dervic, Dževdeta; Dap, Nermin; Mešic, Vanes; Ðokic, Ratko – Journal of Education in Science, Environment and Health, 2019
Animations are widely used in today's science classrooms. Therefore it is very important to explore under which conditions animations are most effective. In earlier studies it has been generally shown that the effectiveness of instruction largely depends on management of cognitive load. The aim of the present study was to compare the effect of…
Descriptors: Cognitive Ability, Multimedia Instruction, Optics, High School Students
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