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Direct linkBobbie Seyedmonir – ProQuest LLC, 2018
The purpose of this study was twofold: (1) to determine the effectiveness of virtual laboratories relative to traditional or blended laboratories in the attainment of conceptual knowledge and skill in microscopy; and (2) to explore how such technologies are integrated in real world classrooms. Four sections of a non-major's introductory biology…
Descriptors: Laboratory Equipment, Laboratory Experiments, Technology Integration, Biology
Peer reviewedAngelani, Carla R.; Carabias, Pablo; Cruz, Karen M.; Delfino, José M.; Sautu, Marilina; Espelt, María V.; Ferreira-Gomes, Mariela S.; Gómez, Gabriela E.; Mangialavori, Irene C.; Manzi, Malena; Pignataro, María F.; Saffioti, Nicolás A.; Salvatierra Fréchou, Damiana M.; Santos, Javier; Schwarzbaum, Pablo J. – Biochemistry and Molecular Biology Education, 2018
Metabolic control analysis (MCA) is a promising approach in biochemistry aimed at understanding processes in a quantitative fashion. Here the contribution of enzymes and transporters to the control of a given pathway flux and metabolite concentrations is determined and expressed quantitatively by means of numerical coefficients. Metabolic flux can…
Descriptors: Metabolism, Biochemistry, Cytology, Laboratory Procedures
Moya, A. A. – Physics Education, 2018
We have designed a simple Arduino-based experiment to study free fall. The experimental data associated to the free and vertical fall movement of a brass saucer are gathered with the help of an ultrasonic distance sensor and an Arduino board. The position-time curves obtained from different initial heights are then plotted and the acceleration of…
Descriptors: Physics, Scientific Concepts, Laboratory Experiments, Science Education
Fedick, Patrick Walter – ProQuest LLC, 2018
Ambient ionization mass spectrometry enables rapid in-situ analysis of a plethora of analytes that are relevant to the forensic and defense communities. As the arsenal of ambient ionization techniques, aimed at solving specific targeted problems, continues to expand, the adoption of these techniques into non-academic settings has been relatively…
Descriptors: Spectroscopy, War, Weapons, Scientific Concepts
Larsen, Molly C.; Perkins, Russell J. – Journal of Chemical Education, 2016
A low-cost, time-resolved spectroscopy experiment appropriate for third year physical chemistry students is presented. Students excite o-methyl red in basic solutions with a laser pointer and use a modular spectrometer with a CCD array detector to monitor the transient spectra as the higher-energy cis conformer of the molecule converts back to the…
Descriptors: Undergraduate Students, Chemistry, Physics, Science Laboratories
Tapia-Pineda, Adabelia; Perez-Arrieta, Carlos; Silva-Cuevas, Carolina; Paleo, Ehecatl; Lujan-Montelongo, J. Armando – Journal of Chemical Education, 2016
A simple, microscale experiment was developed with the aim of demonstrating the concept of umpolung in synthetic organic chemistry. Starting from a common alkyl sulfinate, students perform a polarity inversion by performing a Grignard-based sulfoxide synthesis and a Mannich-type formamide synthesis. The products are purified without chromatography…
Descriptors: Organic Chemistry, Science Experiments, Scientific Concepts, College Science
Yearty, Kasey L.; Sharp, Joseph T.; Meehan, Emma K.; Wallace, Doyle R.; Jackson, Douglas M.; Morrison, Richard W. – Journal of Chemical Education, 2017
[Superscript 1]H NMR analysis is an important analytical technique presented in introductory organic chemistry courses. NMR instrument access is limited for undergraduate organic chemistry students due to the size of the instrument, price of NMR solvents, and the maintenance level required for instrument upkeep. The University of Georgia Chemistry…
Descriptors: Science Instruction, Organic Chemistry, Science Laboratories, Teaching Methods
Elias, Ryan J.; Hopfer, Helene; Hofstaedter, Amanda N.; Hayes, John E. – Journal of Food Science Education, 2017
The human nose is a very sensitive detector and is able to detect potent aroma compounds down to low ng/L levels. These levels are often below detection limits of analytical instrumentation. The following laboratory exercise is designed to compare instrumental and human methods for the detection of volatile odor active compounds. Reference…
Descriptors: Olfactory Perception, Human Body, Science Laboratories, Laboratory Procedures
Lubrica, Joel V.; Abiasen, Jovalson T.; Dolipas, Bretel B.; Ramos, Jennifer Lyn S. – Physics Education, 2017
In this article, we present results of our endeavours as physics educators to facilitate and support pedagogical change and development in the educational system of a developing country, the Philippines. We have discovered that the interaction of junior high school (years 7-10) students with physics apparatus can influence students' interest in…
Descriptors: Secondary School Science, Physics, Science Instruction, Junior High School Students
Oliveira, Ana; Wainman, Bruce; Palombella, Andrew; Rockarts, Jasmine; Wojkowski, Sarah – Anatomical Sciences Education, 2023
Interprofessional learning improves students' clinical and interprofessional competencies. COVID-19 prevented delivering in-person education and motivated the development of a virtual interprofessional cadaveric dissection (ICD) course. This study reports on the effects of a virtual ICD course compared to a previously delivered in-person course,…
Descriptors: COVID-19, Pandemics, School Closing, Computer Simulation
Rahmani, Shams R.; Mashtare, Michael L.; Schulze, Darrell G.; Camberato, James J.; Johnston, Cliff T.; Fulk-Bringman, Sherry S. – Natural Sciences Education, 2023
Beginning abruptly in the second half of the Spring 2020 semester at Purdue University, we modified our teaching approach in Introductory Soil Science and Forest Soils courses (AGRY 255/270) with a combined annual enrollment of [approximately]370 students to cope with the COVID-19 pandemic. In that semester, we went to entirely virtual lecture,…
Descriptors: Science Instruction, Soil Science, COVID-19, Pandemics
Download full textKapici, Hasan Özgür; Costu, Fatma – Journal of Turkish Science Education, 2023
One of the main courses that have been affected by instructional technology is science education since the nature of topics covered by the science curriculum may require the usage of technology to teach them better. The aim of the current study was to investigate the effects of virtual laboratories on the development of gifted children's…
Descriptors: Academically Gifted, Gifted Education, Computer Simulation, Science Laboratories
Bwalya, Tuesday – International Journal of Education and Development using Information and Communication Technology, 2023
For schools to successfully deliver the computer studies curriculum, they should have, among other things, qualified teachers and computer laboratories. This study investigated the availability of qualified computer studies teachers and computer laboratories in public secondary schools in Lusaka City, Zambia. A mixed-methods approach was employed…
Descriptors: Teacher Qualifications, Computer Science Education, Computer Assisted Instruction, Laboratories
Sulaiman, Nidhal; Werth, Alexandra; Lewandowski, H. J. – Physical Review Physics Education Research, 2023
A large-enrollment, introductory physics laboratory course at the University of Colorado Boulder has undergone a recent transformation to help students' develop lab skills and better align students' views and beliefs about experimental physics with those of expert experimental physicists through engagement with authentic scientific practices. We…
Descriptors: Student Attitudes, Physics, Science Instruction, Science Laboratories
Tuaputty, Hasan; Alimudi, Saiful; Irene, Ine; Latuperissa, L. N.; Donkor, Anthony Kudjo – Journal of Biological Education Indonesia (Jurnal Pendidikan Biologi Indonesia), 2023
The learning process must actively involve students and provide opportunities for them to study and prove the theories they learn. This study determined the influence of the application of Project-Besad Learning (PjBL) using a laboratory approach on learning outcomes and critical thinking in marine biology. This study used a descriptive…
Descriptors: Student Projects, Active Learning, Outcomes of Education, Teaching Methods
