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Direct linkMirchin, Robert Douglas – ProQuest LLC, 2012
This research study is an investigation of student-laboratory (i.e., lab) learning based on students' perceptions of experiences using questionnaire data and evidence of their science-laboratory performance based on paper-and-pencil assessments using Maryland-mandated criteria, Montgomery County Public Schools (MCPS) criteria, and published…
Descriptors: High School Students, Student Attitudes, Academic Achievement, Science Achievement
Peer reviewed
Download full textKadayifci, Hakki; Yalcin-Celik, Ayse – Science Education International, 2016
This study examined the effectiveness of Argument-Driven Inquiry (ADI) as an instructional model in a general chemistry laboratory course. The study was conducted over the course of ten experimental sessions with 125 pre-service science teachers. The participants' level of reflective thinking about the ADI activities, changes in their science…
Descriptors: Inquiry, Teaching Models, Science Education, Science Instruction
Durmaz, Hüsnüye – Asia-Pacific Forum on Science Learning and Teaching, 2016
The aim of this study is to investigate the effects of an instructional intervention on enhancement the pre-service science teachers' (PSTs) science process skills (SPSs) and to identify problems in using SPSs through Laboratory Applications in Science Education-I course (LASE-I). One group pretest-posttest pre-experimental design was employed. An…
Descriptors: Intervention, Science Instruction, Science Process Skills, Inquiry
Erol, Mustafa; Buyuk, Ugur; Tanik Onal, Nagihan – Educational Sciences: Theory and Practice, 2016
The inadequacy of experimental activities (or lack of equipment) in science courses in rural parts of Turkey negatively effects students' acquisition of scientific thinking and inquiry skills. The fact that success rates are notably low in international assessments demonstrates the necessity to adopt "different" approaches apart from the…
Descriptors: Foreign Countries, Middle School Students, Rural Youth, Rural Schools
Shaner, Sarah E.; Hooker, Paul D.; Nickel, Anne-Marie; Leichtfuss, Amanda R.; Adams, Carissa S.; de la Cerda, Dionisia; She, Yuqi; Gerken, James B.; Pokhrel, Ravi; Ambrose, Nicholas J.; Khaliqi, David; Stahl, Shannon S.; Schuttlefield Christus, Jennifer D. – Journal of Chemical Education, 2016
Electrochemical water oxidation is a major focus of solar energy conversion efforts. A new laboratory experiment has been developed that utilizes real-time, hands-on research to discover catalysts for solar energy conversion. The HARPOON, or Heterogeneous Anodes Rapidly Perused for Oxygen Overpotential Neutralization, experiment allows an array of…
Descriptors: Energy Conservation, Energy, Science Laboratories, Science Experiments
Song, Donggil; Karimi, Arafeh; Kim, Paul – Interactive Learning Environments, 2016
Teaching argumentation with appropriate activities and strategies would support a wide range of goals in science education. Though science labs have been suggested and employed for argumentation activities, such educational expenditures are likely to be beyond the means of most schools in under-resourced areas. Due to the lack of appropriate…
Descriptors: Science Experiments, Disadvantaged Schools, Developing Nations, Rural Areas
New Mexico Higher Education Department, 2016
In March, 2016, the state of New Mexico established a Remediation Task Force to examine remediation reform efforts across the state's higher education institutions. On March 11, the Task Force met for the "New Mexico Corequisite Remediation at Scale Policy Institute" in order to learn about the results of the latest national reform…
Descriptors: Remedial Instruction, Remedial Programs, Educational Change, Higher Education
Arnold, Randy J.; Arndt, Brett; Blaser, Emilia; Blosser, Chris; Caulton, Dana; Chung, Won Sog; Fiorenza, Garrett; Heath, Wyatt; Jacobs, Alex; Kahng, Eunice; Koh, Eun; Le, Thao; Mandla, Kyle; McCory, Chelsey; Newman, Laura; Pithadia, Amit; Reckelhoff, Anna; Rheinhardt, Joseph; Skljarevski, Sonja; Stuart, Jordyn; Taylor, Cassie; Thomas, Scott; Tse, Kyle; Wall, Rachel; Warkentien, Chad – Journal of Chemical Education, 2011
A multivitamin tablet and liquid are analyzed for the elements calcium, magnesium, iron, zinc, copper, and manganese using atomic absorption spectrometry. Linear calibration and standard addition are used for all elements except calcium, allowing for an estimate of the matrix effects encountered for this complex sample. Sample preparation using…
Descriptors: Chemistry, Spectroscopy, Biochemistry, Nutrition
Ballyns, Jeffrey J.; Doran, Robert F.; Archer, Shivaun D.; Bonassar, Lawrence J. – Science Scope, 2011
Biotechnology has often been a favorite topic in popular culture. While this has provided students with some introduction to the futuristic potential of biotechnology and biomedical sciences, it does not often translate to activities that will excite and stimulate them academically. In this article, the authors present a three-part classroom…
Descriptors: Popular Culture, Laboratories, Biotechnology, Biomedicine
Parra, Karlett J.; Osgood, Marcy P.; Pappas, Donald L., Jr. – Biochemistry and Molecular Biology Education, 2010
We describe a 10-week laboratory course of guided research experiments thematically linked by topic, which had an ultimate goal of strengthening the undergraduate research-teaching nexus. This undergraduate laboratory course is a direct extension of faculty research interests. From DNA isolation, characterization, and mutagenesis, to protein…
Descriptors: Undergraduate Study, Genetics, Molecular Biology, Biochemistry
Fast Hetero-Diels-Alder Reactions Using 4-Phenyl-1,2,4-Triazoline-3,5-Dione (PTAD) as the Dienophile
Celius, Tevye C. – Journal of Chemical Education, 2010
A hetero-Diels-Alder reaction that proceeds rapidly and only requires a simple filtration to purify the product is presented. The dienophile, 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD), is prepared by the heterogeneous oxidation of 4-phenylurazole by the bromenium ion, Br[superscript +], generated in situ by the oxidation of potassium bromide by…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Instruction, Science Experiments
Nyasulu, Frazier; Stevanov, Kelly; Barlag, Rebecca – Journal of Chemical Education, 2010
Using a conductivity sensor, a temperature sensor, and a datalogger, fundamental factors that affect conductivity are explored. These factors are (i) concentration, (ii) temperature, (iii) ion charge, and (iv) size and or mass of anion. In addition, the conductivities of a number of other solutions are measured. This lab has been designed to…
Descriptors: Fundamental Concepts, Climate, Scientific Concepts, Laboratories
Hilty, Christian; Bowen, Sean – Journal of Chemical Education, 2010
Nuclear magnetic resonance (NMR) poses significant challenges for teaching in the context of an undergraduate laboratory, foremost because of high equipment cost. Current off-the-shelf data-acquisition hardware, however, is sufficiently powerful to constitute the core of a fully digital NMR spectrometer operating at the earth's field. We present…
Descriptors: Chemistry, Undergraduate Study, Laboratory Experiments, Laboratory Equipment
Van Mil, Marc H. W.; Boerwinkel, Dirk Jan; Buizer-Voskamp, Jacobine E.; Speksnijder, Annelies; Waarlo, Arend Jan – Biochemistry and Molecular Biology Education, 2010
Dutch genomics research centers have developed the "DNA labs on the road" to bridge the gap between modern genomics research practice and secondary-school curriculum in the Netherlands. These mobile DNA labs offer upper-secondary students the opportunity to experience genomics research through experiments with laboratory equipment that…
Descriptors: Foreign Countries, Secondary School Science, Genetics, Scientific Research
Costa, Manuel Joao – Biochemistry and Molecular Biology Education, 2010
Laboratory exercises (labs) are sometimes regarded as dispensable in biochemistry and molecular biology (BMB) education for various reasons including a combination of increased class costs and small budget allocations, pressing demands for more time to lecture to fit in new BMB discoveries within constant time span of courses, and the fact that…
Descriptors: Science Laboratories, Persuasive Discourse, Laboratory Training, Student Centered Curriculum
