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Maksim Dolmat; Veronika Kozlovskaya; Eugenia Kharlampieva – Journal of Chemical Education, 2023
The essential component of expanding an undergraduate curriculum is the inclusion of lab experiments in nanoscience and nanomaterials, which significantly impact health and the environment through their use in food, cosmetics, agriculture, and medicine. We designed a laboratory experiment based on the atomic force microscopy (AFM) analysis of the…
Descriptors: Science Instruction, College Science, Undergraduate Students, Science Laboratories
Mahaveer Genwa; Jyoti Singh; Alka Rani; Kushagra Yadav; Chetna Angrish – Journal of Chemical Education, 2024
Photochemical reactions are initiated by the absorption of light, triggering the chemical reactions and resulting in the formation of products. These reactions are generally performed using a freely available renewable source of energy-solar energy. Solar simulators mimic both the ultraviolet and visible regions of sunlight and hence can serve as…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, Science Laboratories
Geske, Matthew; Murray-Weston, Crystal; Lelack, Graham – Physics Teacher, 2022
The Wilson cloud chamber, invented in 1911 by Scottish physicist Charles Wilson, is a remarkably simple and effective charged particle detector. Cloud chambers were used regularly in particle physics experiments for decades, until being supplanted by bubble chambers. In this article, we describe a lab activity that is suitable for…
Descriptors: Science Instruction, Physics, Science Experiments, Science Laboratories
Victoria Borish; H.?J. Lewandowski – Physical Review Physics Education Research, 2024
Instruction in quantum mechanics is becoming increasingly important as the field is not only a key part of modern physics research but is also important for emerging technologies. However, many students regard quantum mechanics as a particularly challenging subject, in part because it is considered very mathematical and abstract. One potential way…
Descriptors: Science Instruction, Science Experiments, Quantum Mechanics, Mechanics (Physics)
Armaghan Shafaei; Hayley Abbiss; Sophie Coutts; Mark Bannister; Janine Bruemmer; Mary C. Boyce – Journal of Chemical Education, 2022
A student experiment that uses QuEChERS (quick, easy, cheap, effective, rugged, and safe) methodology for extraction and HPLC for quantitative determination of tocopherols from seeds and nuts is described here. Chromatographic separation is achieved by using a pentafluorophenyl stationary phase which gives enhanced separation of the tocopherols…
Descriptors: Science Instruction, Science Laboratories, Chemistry, Laboratory Procedures
Anindita Paul; Anirban Dutta; Aditi Kundu; Supradip Saha – Journal of Chemical Education, 2023
A procedure to purify anthocyanin, a natural pigment, following a green approach by using macroporous resin and its encapsulation for the maintenance of its stability is described. This laboratory experiment, which describes the benefits of using resin for the purification, is a learning tool for students working in the field on nutraceuticals.…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Laboratory Experiments
Georganna Benedetto; Brittany M. Cleary; Colin T. Morrell; Claudia G. Durbin; Anna L. Brinks; John Tietjen; Katherine A. Mirica – Journal of Chemical Education, 2023
The chemistry of metal-organic frameworks (MOFs) has the potential to introduce high school and undergraduate students to the fundamental chemical principles of structure and bonding, enhance the development of skills in synthesis and crystal growth, and promote hands-on experience with gas capture and host-guest chemistry of emerging materials…
Descriptors: Organic Chemistry, Metallurgy, Science Instruction, Science Laboratories
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
A. M. Ranjika P. Bopegedera – Journal of Chemical Education, 2023
Calorimetry is a central concept in the first semester general chemistry curriculum, and constant pressure (coffee-cup) calorimetry is a common experiment in the laboratory. However, constant volume (bomb) calorimetry is traditionally reserved for the physical chemistry laboratory. This article describes the advantages of incorporating bomb…
Descriptors: Chemistry, Science Instruction, Science Experiments, Laboratory Experiments
Zydrick L. Avelino – Journal of Biological Education Indonesia (Jurnal Pendidikan Biologi Indonesia), 2025
The study focused on the development of a website that can be used in various fields of science in Junior High School. Particularly, topics that were utilized as part of the re-search report include chromosomes, DNA, and genes for grade 9 learners. This exploratory case study explored learners' engagement and performance on a developed virtual…
Descriptors: Foreign Countries, Web Sites, Science Instruction, Grade 9
Lynn E. Krushinski; Thomas B. Clarke; Jeffrey E. Dick – Journal of Chemical Education, 2024
Electrochemistry plays a crucial role in our everyday lives. It allows us to power our phones and cars and allows for the real-time monitoring of blood glucose levels. While electrochemistry is of vital importance and is a long-established field of chemistry, it is often neglected in modern curricula for STEM courses. Herein, we show that hands-on…
Descriptors: Chemistry, Science Instruction, STEM Education, Hands on Science
Will Jimy Quintero; Mo´nica Constanza A´vila; Cristian Ochoa-Puentes – Journal of Chemical Education, 2023
Cycloadditions in combination with multicomponent reactions are among the most valuable synthetic tools used by organic chemists to construct cyclic and heterocyclic compounds in a straightforward way. Although cycloadditions, such as the Diels--Alder reaction, are mainly covered in basic and advanced organic courses for undergraduate students,…
Descriptors: Science Instruction, Organic Chemistry, College Science, Undergraduate Students
Acuña-Girault, Adalberto; Gómez del Campo-Rábago, Ximena; Contreras-Ruiz, Marco Antonio; Ibanez, Jorge G. – Journal of Technology and Science Education, 2022
During the SARS-2-COVID pandemic our institution sought to continue the teaching and learning of experimental laboratories by designing, assembling, and delivering a microscale chemistry kit to the students' homes. Thanks to this approach students were able to perform [approximately]25 experiments during each one of the Fall 2020 and Spring 2021…
Descriptors: COVID-19, Pandemics, Science Instruction, Science Laboratories
Axel Milne – Journal of Chemical Education, 2022
High-voltage plasma arcs from solid-state Tesla coils were used to produce characteristic atomic emissions of various metals. The colored arcs produced were highly visible and vibrant, making for a spectacularly engaging demonstration for groups of varying sizes. The demonstration used an inexpensive solid-state Tesla coil to generate low-current,…
Descriptors: Science Instruction, Science Laboratories, Metallurgy, Demonstrations (Educational)
Borish, Victoria; Lewandowski, H. J. – Physical Review Physics Education Research, 2023
As quantum information science and technology (QIST) is becoming more prevalent and occurring not only in research labs but also in industry, many educators are considering how best to incorporate learning about quantum mechanics into various levels of education. Although much of the focus has been on quantum concepts in nonlab courses, current…
Descriptors: Science Instruction, Undergraduate Study, Science Laboratories, Quantum Mechanics