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Tianli Han; Shanshan Yang; Liying Zhu; Xirong Lin; Jinyun Liu – Journal of Chemical Education, 2023
An experimental design by combining hydrogel and ethylenediaminetetraacetic acid disodium salt (EDTA) for visually displaying chemical complexation reactions is developed. The Na[superscript +] ions on the [alpha]-l-guluronic acid (G) unit of the sodium alginate molecule undergo an ion exchange with a divalent cation, so that the G units are…
Descriptors: Chemistry, Science Education, Teaching Methods, Science Experiments
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Coker, Jeffrey Scott – Journal of College Science Teaching, 2017
Despite numerous calls for science education to be driven by authentic investigation, many laboratory experiences continue to consist of disconnected weekly units during which students carry out instructions that lead to some predetermined finding. This study developed and evaluated a pedagogical design for introductory biology labs where students…
Descriptors: Introductory Courses, Science Laboratories, Science Experiments, Student Projects
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Yang, Xinmiao; Hartman, Mark R.; Harrington, Kristin T.; Etson, Candice M.; Fierman, Matthew B.; Slonim, Donna K.; Walt, David R. – CBE - Life Sciences Education, 2017
With the development of new sequencing and bioinformatics technologies, concepts relating to personal genomics play an increasingly important role in our society. To promote interest and understanding of sequencing and bioinformatics in the high school classroom, we developed and implemented a laboratory-based teaching module called "The…
Descriptors: Science Instruction, Secondary School Science, High School Students, Genetics
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Ayse Oguz Unver; Sertac Arabacioglu – Journal of Baltic Science Education, 2015
Current atom concept teachings haven't reached required levels from the points of both teaching methods and learning attainments. With this purpose in this research atom concept is conveyed to the classroom milieu through observations and experiments related to the atom concept during historical development process starting with the masterpiece…
Descriptors: Preservice Teachers, Science Teachers, Scientific Concepts, Science Instruction
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Holmes, Leah; Atkinson, Melissa; Schofield, Jonathan – School Science Review, 2012
The Wellcome Trust is running a national engagement and education initiative inspired by the London 2012 Olympic and Paralympic Games. "In the Zone" involves sending practical science kits to every UK school and college. Here, we discuss the development of the school activities and how the feedback from pilot schools helped to shape the…
Descriptors: Partnerships in Education, Foreign Countries, Feedback (Response), Science Instruction
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Collison, Christina G.; Cody, Jeremy; Stanford, Courtney – Journal of Chemical Education, 2012
A novel S[subscript N]1-S[subscript N]2 studio-based lab module that incorporates inquiry-based learning was designed and implemented. The studio module was taught in a newly renovated lab space designed with an integrated classroom. The students were divided into two groups for the lesson with one group conducting a studio-module lab and the…
Descriptors: Active Learning, Organic Chemistry, Inquiry, Science Laboratories
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Brewer, Sharon E.; Cinel, Bruno; Harrison, Michelle; Mohr, Christina L. – International Review of Research in Open and Distance Learning, 2013
In delivering chemistry courses by distance, a key challenge is to offer the learner an authentic and meaningful laboratory experience that still provides the rigour required to continue on in science. To satisfy this need, two distance general chemistry laboratory courses appropriate for Bachelor of Science (B.Sc.) students, including chemistry…
Descriptors: Distance Education, College Freshmen, Laboratory Training, Chemistry
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Dean, Derek M.; Wilder, Jason A. – Biochemistry and Molecular Biology Education, 2011
We describe an investigative laboratory module designed to give college undergraduates strong practical and theoretical experience with recombinant DNA methods within 3 weeks. After deducing restriction enzyme maps for two different plasmids, students ligate the plasmids together in the same reaction, transform "E. coli" with this mixture of…
Descriptors: Genetics, Teaching Methods, Investigations, Program Descriptions
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Ayers, James M.; Ayers, Kathleen M. – American Biology Teacher, 2007
A three unit module of inquiry, including morphological comparison, cladogram construction, and data mining has been developed to teach students the nature of experimental science. Students generate angiosperm morphological data, form cladistic hypotheses, then mine taxonomic, bioinformatic and historical data from many sources to replicate and…
Descriptors: Scientific Methodology, Inquiry, Teaching Methods, Science Experiments
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Kirstein, Juergen; Nordmeier, Volkhard – European Journal of Physics, 2007
In most physics courses using multimedia, real experiments are represented as digital video demonstrations. These time-based media have the disadvantage that students are often in the state of passive learners. Also, traditional multimedia learning environments only allow for the selection of different digitized media, but the learning process is…
Descriptors: Multimedia Materials, Physics, Teaching Methods, Science Instruction