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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
Grimminger, Marsha A.; Tracey, Matthew P.; Martinus, Simeon J. – Journal of Chemical Education, 2021
Introductory organic chemistry laboratory is often a difficult course for students in terms of translating the structural information and reactivity learned in lecture to the practical applications found in the laboratory. These concepts are even more difficult when presented through distance learning when a student cannot get hands-on experience.…
Descriptors: Teaching Methods, Hands on Science, Distance Education, Organic Chemistry
Yasuda, Keita – Journal of Chemical Education, 2021
A laboratory experiment was performed using tetra-n-butylammonium bromide (TBAB) ionic semiclathrate hydrate, a crystalline compound. Ionic semiclathrate hydrates have unique properties, and hence, novel technologies utilizing the ionic semiclathrate hydrates have been proposed to date. Thus, students could learn fundamentals of functional…
Descriptors: Laboratory Experiments, Science Experiments, Chemistry, Science Instruction
Suzuki, Takahiro; Inoue, Masayuki – Journal of Chemical Education, 2021
In a well-known bronze plating experiment, a Cu coupon is subjected to Sn plating and heating with a Bunsen burner. Currently, aqueous NaOH or HCl is typically used as the plating solution; however, the use of a strong acid or base provides operational risks, particularly in educational settings (e.g., schools). Herein, we introduce a modified…
Descriptors: Chemistry, Science Instruction, Science Experiments, Risk
Lucas, Danielle R.; Bressiani, Thaiany S. C.; Gomes, Anne C. C.; Hayashide, Ingrid M.; Simas, Naomi K.; Lelis, Maria F. F.; Kuster, Ricardo M.; Moura, Paulo R. G. – Journal of Chemical Education, 2021
A laboratory experiment was developed to introduce undergraduate chemistry students to the chemical characterization of agroindustrial waste extracts by gas chromatography-mass spectrometry (GC--MS). The students prepared hexane and dichloromethane extracts from black pepper ("Piper nigrum" L.) waste. GC--MS analysis revealed the…
Descriptors: Chemistry, Undergraduate Students, Science Experiments, Laboratory Experiments
Cooke, Helen; Dobbs, Heidi L.; Haxton, Katherine; Parmeggiani, Fabio; Skerratt, Glynn – Journal of Chemical Education, 2021
Joseph Priestley, discoverer of oxygen, lived in Nantwich, Cheshire, UK, from 1758 to 1761. In 2019, an exhibition featuring his life and achievements, and also celebrating the International Year of the Periodic Table, was developed by the Nantwich Museum. The historical research of Priestley's life, development of the exhibition, and rationale…
Descriptors: Chemistry, Scientific Concepts, History Instruction, Museums
Oh, Pil-Kwang; Kang, Seong-Joo – Journal of Chemical Education, 2021
Artificial intelligence (AI) is receiving a lot of attention in various fields. There is a need for educating students in AI technology. In this context, we have created a new type of carbon dioxide fountain by integrating AI with the well-established Arduino-carbon dioxide fountain experiment. This experiment consists of an Arduino…
Descriptors: Artificial Intelligence, Chemistry, Science Experiments, Science Instruction
Chatchawaltheerat, Theerawat; Khemmani, Supitch; Puttharugsa, Chokchai – Physics Education, 2021
This paper demonstrates the use of a smartphone's sensors in recording experimental data for investigating the large angle of a physical pendulum. The smartphone (iPhone 5s) was attached to a beam to record simultaneously both the angular position and the angular speed of the beam oscillating about the pivot. The period and phase space of the…
Descriptors: Telecommunications, Handheld Devices, Physics, Science Instruction
Miller, William J. W.; Torres-Ruedas, Kelin; Waxman, Sophia M.; Allen, Dale; Turman, Josh; Bartholomew, Autumn Jackson – Journal of Chemical Education, 2021
A handheld refractometer (HHR) is a versatile instrument in the chemistry lab or in the workplace. It is also inexpensive enough (<$25 U.S.) that all students in a chemistry lab can have one or students completing laboratories remotely can purchase one. We report four applications of two different HHRs: one HHR for which the scale reads…
Descriptors: Chemistry, Science Instruction, Science Laboratories, Laboratory Equipment
Laguta, Anna N.; Eltsov, Sergey V.; Mchedlov-Petrossyan, Nikolay O. – Journal of Chemical Education, 2021
This experimental lab set is for students taking college chemistry courses. It includes four laboratory works and completely illustrates the important parts of chemical kinetics, namely the determination of the rate constant and the determination of the factors influencing its value. They can be used in a laboratory set for a physical chemistry…
Descriptors: Chemistry, Kinetics, College Science, Science Instruction
Seibert, Johann; Heuser, Katrin; Lang, Vanessa; Perels, Franziska; Huwer, Johannes; Kay, Christopher W.M. – Journal of Chemical Education, 2021
Multitouch experiment instructions (MEIs), implemented as interactive eBooks, are learning tools for pupils that offer various digital support tools and enable pupils to individualize their learning. They may be applied to contexts such as inquiry-based experiments in school laboratories, which involve highly demanding cognitive processes and…
Descriptors: Science Experiments, Educational Technology, Self Control, Active Learning
Fang, Qing-ting; Li, Ze-you; Yu, Qi-pan; Zou, Cao-yi; Li, Si-qing; Luo, Duan-bin – Physics Education, 2021
By building a schlieren optical system, the visualization of a 40 KHz sound wave is realized. By using the schlieren system, the demonstration of acoustic reflection, interference and diffraction can be easily realized. At the same time, the visual acoustic field provides another simple way for the measurement of sound velocity. In this paper, the…
Descriptors: Optics, Physics, Science Instruction, Undergraduate Students
Cross, Rod – Physics Teacher, 2021
A common procedure when conducting physics experiments is to repeat a measurement several times to calculate the mean and standard deviation. That might be the only instruction we give to students as a means to minimize random errors. However, that technique does not guarantee that the answer will be correct. It might give the same wrong answer…
Descriptors: Physics, Science Experiments, Computation, Error of Measurement
Haverkamp, Nils; Havemann, Judith; Holz, Christoph; Ubben, Malte; Schlummer, Paul; Pusch, Alexander – Physics Education, 2021
Kundt's tube is a popular experiment commonly used in schools, in which standing sound waves are made visible inside a glass tube. A fine powder is stirred up in areas of high sound particle velocities, so that one can measure the wavelength of the sound waves by examining the patterns created. In this way, the 'invisible' can be made visible.…
Descriptors: Science Experiments, Science Equipment, Computer Peripherals, Printing
Kirk, Riley D.; Carro, Marina A.; Wu, Christine; Aldine, Mohamad Jamal; Wharton, Alex M.; Goldstein, Danielle G.; Rosario, Margaret E.; Gallucci, Gina M.; Zhao, Yiwen; Leibovitz, Elizabeth; Bertin, Matthew J. – Journal of Chemical Education, 2021
Chemical screening libraries often feature natural product extracts (NPEs) due to the intriguing biological activities they possess and the structural diversity found in their individual components. A research project originally designed to create an extract library of every specimen in the University of Rhode Island (URI) Heber W. Youngken Jr.…
Descriptors: Chemistry, Science Experiments, Libraries, Undergraduate Students