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Mills, Reece; Whiteford, Chrystal; Brown, Daniel; Tomas, Louisa – International Journal of Science Education, 2023
There is a need for robust, empirically-validated conceptualisations of teachers' attitudes towards teaching science, with a view to understand how these might explain their intention to teach science. The "Dimensions of Attitudes Toward Science" (DAS) theoretical framework suggests that cognitive, affective and perceived control…
Descriptors: Attitude Measures, Preservice Teachers, Intention, Science Instruction
Stanga, John P.; Nash, Troy R.; Pannell, Megan D. – American Biology Teacher, 2023
Concepts relating to enzymes and energy are central to understanding chemical and biological processes at the molecular level. Student learning of these crosscutting concepts can be challenging, so it is important to identify misconceptions and remediate them early, especially in introductory classes. Here we describe an activity in which…
Descriptors: Hands on Science, Kinetics, Thermodynamics, Biology
Lockard, Joe; Goggin, Peter – Science & Education, 2023
The paper describes an upper-division university course in Mars literature taught online since Fall 2013. The course readings comprise six novels relating to Mars. Authors include H.G. Wells, Edgar Rice Burroughs, Ray Bradbury, Phillip K. Dick, Greg Bear, and Kim Stanley Robinson. After an introduction, sections of the paper discuss course…
Descriptors: College Science, Astronomy, Space Sciences, Science Instruction
Buber, Ayse; Coban, Gul Unal – Science & Education, 2023
This study aimed to develop a Nature of Science Understandings Questionnaire within Associated Approaches (NoSQ-AA) by discussing "consensus view" of the teaching of nature of science (NoS) in light of critiques and suggestions. The second purpose of this paper was to evaluate pre-service science teachers (PSSTs)' nature of science…
Descriptors: Scientific Principles, Test Construction, Questionnaires, Preservice Teachers
David Esparza; Aimeé A. Hernández-Gaytan; Jeffrey T. Olimpo – CBE - Life Sciences Education, 2023
While several studies have investigated gender inequities in the social learning environment of biology lecture courses, that same phenomenon remains largely unexplored in biology laboratory contexts. We conducted a mixed methods study to understand the influence of gender on student perceptions of their peers' research aptitude in introductory…
Descriptors: Student Attitudes, Biological Sciences, Science Education, Science Laboratories
Mark H. Newton – Journal of College Science Teaching, 2023
A perennial goal of science educators is to develop functional scientific literacy in their students, especially those who will not become professional scientists. This article provides an example of implementing a socioscientific issues approach in an undergraduate environmental science course that enables students to develop the knowledge,…
Descriptors: Undergraduate Students, Science Teachers, Environmental Education, Science and Society
Jonathan Andicoechea Fischmann – ProQuest LLC, 2023
This dissertation investigates how the numerical representation of women in small collaborative groups influences their learning in a college biology class for non-majors focused on sex, gender, and society. Prior to the start of the semester, the researchers divided students into all-male, all-female, or mixed-gender groups of varying sex ratios.…
Descriptors: College Students, Females, Disproportionate Representation, College Science
Mahsa Parvizian; Julia Bechter; Jan Huber; Noura Chettata; Jonathan De Roo – Journal of Chemical Education, 2023
Quantum dots are colloidal semiconductor nanocrystals that display size-dependent electronic and optical properties. These materials are a visual demonstration of a quantum-mechanical effect. Here we present a laboratory exercise for undergraduate/Bachelor students as an introduction to colloidal nanocrystals and quantum dots. The students…
Descriptors: Science Instruction, Quantum Mechanics, Science Laboratories, Undergraduate Students
Adrian Saura-Sanmartin; Jorge Lopez-Sanchez; Carmen Lopez-Leonardo; Aurelia Pastor; Jose Berna – Journal of Chemical Education, 2023
The synthesis of a [2]rotaxane through three- or five-component coupling reactions has been adapted to an organic chemistry experiment for upper-division students. The experimental procedure addresses the search for the most favorable reaction conditions for the synthesis of the interlocked compound, which is obtained in a yield of up to 71%.…
Descriptors: Scientific Concepts, Organic Chemistry, Science Experiments, Spectroscopy
Nicola´s Andre´s Saffioti; Carla Angelani; Jose´ Mari´a Delfino; Silvia Ferna´ndez Villamil; Gabriela Elena Go´mez; Irene Mangialavori; Mari´a Florencia Pignataro; Pablo Julio Schwarzbaum – Journal of Chemical Education, 2023
Metabolic Control Analysis (MCA) is a systems biology approach that measures the control of a metabolic step on the overall flux of a metabolic pathway. In undergraduate courses in biochemistry, learning of MCA can be encouraged by experimental activities demonstrating practical applications of the MCA theory. In this work, we present a laboratory…
Descriptors: Biochemistry, Metabolism, College Science, Undergraduate Students
Ifat Parveen; Michael Rose; Helen C. Phillips; Stephen E. Flower; Timothy J. Woodman; Cameron A. Garty; Michael D. Threadgill – Journal of Chemical Education, 2023
An understanding of basic organic chemical reactivity is key for many biosciences students. The reactivities of different carbonyl groups affect their function in many biomolecules. A practical class, the two-step synthesis of paracetamol, has been devised to illustrate the electrophilic reactivities of carbonyls, which was covered in the…
Descriptors: Undergraduate Study, College Science, Synthesis, Scientific Concepts
Gladys, M. J.; Furst, J. E.; Holdsworth, J. L.; Dastoor, P. C. – Physical Review Physics Education Research, 2023
The multiple-choice section of the final examination for the first-year Advanced Physics I course at the University of Newcastle, Australia between 2010 and 2018 was investigated for gender bias. A Mantel-Haenszel analysis revealed that approximately 20% of the multiple-choice questions exhibited statistically significant gender bias. A schema for…
Descriptors: Physics, Science Instruction, College Science, Science Tests
Joseph W. Shane; Lauren E. Shearer; John N. Richardson; Jeb S. Kegerreis – Journal of Chemical Education, 2023
Kombucha, a popular probiotic beverage, contains detectable concentrations of ethyl alcohol. To be sold as a nonalcoholic product, alcohol concentrations in kombucha must be shown to be less than 0.5% by volume. This paper describes the use of an inexpensive, commercially available sensor to reliably and accurately measure alcohol concentrations…
Descriptors: Food, Chemistry, Measurement, Science Laboratories
Sangeeta Nischal; Maria Zulema Cabail; Kinning Poon – Journal of Biological Education, 2024
Due to the COVID-19 pandemic and the stay-at-home order implemented by the New York State Governor, the introductory undergraduate biology courses were changed to an at-home remote learning modality. To provide conceptual learning and hands-on experience, the second semester introductory biology laboratory course utilised a multi-modal learning…
Descriptors: Computer Simulation, Student Projects, Introductory Courses, Biology
Lahane, Rohan D.; Bhatt, Harsh R.; Paranjpye, Arvind – Physics Education, 2022
Students are introduced to the term wavelength in optics at school level. In this paper, we present an inexpensive and simple method to measure the wavelength of the light of a light emitting diode using a light depending resistor. This experimental set-up is developed at Science Laboratory, Nehru Planetarium (Mumbai), India. It is useful as an…
Descriptors: Science Instruction, Physics, Light, Optics