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Showing 1 to 15 of 485 results Save | Export
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Smith, Catherine J.; Mansfield, Steven J.; Anderson, Edward A.; Burton, Jonathan W. – Journal of Chemical Education, 2019
Organic synthesis in a modern research laboratory uses state-of-the-art equipment to provide inert atmospheres, track reaction progress, and facilitate the purification of intermediates. Such facilities are not available in a high school laboratory. In this paper, synthetic organic chemistry is taken back to basics: A four step total synthesis of…
Descriptors: Science Instruction, Laboratory Experiments, Universities, Foreign Countries
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Limpanuparb, Taweetham; Kanithasevi, Siradanai; Lojanarungsiri, Maytouch; Pakwilaikiat, Puh – Journal of Chemical Education, 2019
We discuss the use of a simple piece of equipment made of a 50 mL syringe attached to a 2 mL graduated pipet to demonstrate Boyle's law and Charles's law. A plot of the hydrostatic pressure against the reciprocal of the volume of the gas read from the equipment is linear as discussed in the paper and gives the atmospheric pressure at the…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Laboratory Experiments
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LeSuer, Robert J. – Journal of Chemical Education, 2019
Consumer-grade manufacturing tools such as 3D printers are becoming increasingly prevalent in STEM education environments, especially as tools to develop inexpensive, tactile visualization models. Presented here is a workflow for creating 3D-printed periodic tables displaying a variety of trends from traditionally taught relationships such as…
Descriptors: Educational Technology, Hands on Science, Printed Materials, Computer Peripherals
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Tan, Shun Yu; Hölttä-Otto, Katja; Anariba, Franklin – Journal of Chemical Education, 2019
A hands-on design activity named "electrochemistry designette" that incorporates design thinking with the aims to strengthen electrochemistry concepts, introduce prototyping ideas, encourage student class participation, and foster creativity is presented. This active learning activity, which lies at the interface of design and…
Descriptors: Chemistry, Science Education, Engineering, Hands on Science
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Wiggins, Marcie B.; Heath, Emma; Alcántara-García, Jocelyn – Journal of Chemical Education, 2019
The interface of art and science provides a broad range of educational and collaborative projects at various learning stages. Therefore, the use of historic artists' materials for teaching chemistry is receiving more attention. We prepared and used copper acetate (verdigris pigment) for a series of interconnected, lab-based activities, which can…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Schneider, Elia M.; Bärtsch, Amadeus; Stark, Wendelin J.; Grass, Robert N. – Journal of Chemical Education, 2019
A simple synthesis of fluorescent carbon quantum dots from lemon juice is described to introduce advanced high-school students and undergraduate college students to nanoparticle synthesis and quantum dots. The synthesis is based on the carbonization of lemon juice using only a hot plate stirrer. Column chromatography is used to separate different…
Descriptors: Science Instruction, Teaching Methods, High School Students, Foreign Countries
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Dean, Natalie L.; Ewan, Corrina; Braden, Douglas; McIndoe, J. Scott – Journal of Chemical Education, 2019
Comprehension of the 3D structure of objects usually represented in 2D is a critical part of understanding molecular geometries. The frequency with which students actually get hands-on with 3D molecular structures is often limited to a singular laboratory session. We sought to develop a set of molecular shapes that were inexpensive enough not only…
Descriptors: Science Instruction, Chemistry, Molecular Structure, Science Laboratories
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Njoki, Peter N. – Journal of Chemical Education, 2019
A laboratory experiment has been developed to illustrate the transformation of silver nanoparticles (Ag NPs) in water containing phosphate anions. The experiment, conducted by high school students, involved hands-on learning to synthesize and characterize Ag NPs via ultraviolet-visible (UV-vis) spectroscopy. This was followed by a UV-vis probe of…
Descriptors: High School Students, Science Experiments, Chemistry, Science Instruction
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Namwong, Pithakpong; Jarujamrus, Purim; Amatatongchai, Maliwan; Chairam, Sanoe – Journal of Chemical Education, 2018
In this article, a low-cost, simple, and rapid fabrication of paper-based analytical devices (PADs) using a wax screen-printing method is reported here. The acid-base reaction is implemented in the simple PADs to demonstrate to students the chemistry concept of a limiting reagent. When a fixed concentration of base reacts with a gradually…
Descriptors: Science Instruction, Chemistry, High Schools, Secondary School Science
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Budke, Michael; Parchmann, Ilka; Beeken, Marco – Journal of Chemical Education, 2018
In the past 20 years, science education in schools has increasingly been supported by extracurricular learning opportunities. From the point of view of pupils and teachers, student laboratories make meaningful contributions to complement the teaching of science. Studies have shown that participation in student laboratories has increased students'…
Descriptors: Science Education, Science Laboratories, Science Instruction, Extracurricular Activities
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Hosker, Bill S. – Journal of Chemical Education, 2018
A highly simplified variation on the do-it-yourself spectrophotometer using a smartphone's light sensor as a detector and an app to calculate and display absorbance values was constructed and tested. This simple version requires no need for electronic components or postmeasurement spectral analysis. Calibration graphs constructed from two…
Descriptors: Science Instruction, High Schools, Secondary School Science, College Science
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Eymur, Guluzar – Journal of Chemical Education, 2018
The present study investigated how students' self-efficacy changed after participation in four lab investigations that were designed on the basis of a new laboratory instructional strategy, namely, argument-driven inquiry (ADI). The study was conducted with 64 10th grade students from two intact classes in a public high school in the northeast of…
Descriptors: High School Students, Self Efficacy, Inquiry, Laboratory Training
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St. Angelo, Sarah K. – Journal of Chemical Education, 2018
Randy Olson's book, "Don't Be Such a Scientist: Talking Substance in an Age of Style", was used to supplement a senior seminar in nanomaterials. While students learned about the chemistry behind useful properties of nanomaterials, they also analyzed how nanomaterials applications are presented to the public through advertising, science…
Descriptors: Science Instruction, High Schools, Secondary School Science, College Science
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Garrido-Gonza´lez, Jose´ J.; Trillo-Alcala´, María; Sa´nchez-Arroyo, Antonio J. – Journal of Chemical Education, 2018
The generation of secondary colors in digital devices by means of the additive red, green, and blue color model (RGB) can be a valuable way to introduce students to the basics of spectroscopy. This work has been focused on the spectral separation of secondary colors of light emitted by a computer screen into red, green, and blue bands, and how the…
Descriptors: Science Instruction, Spectroscopy, Color, Educational Technology
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Ramm, Julia G.; Dorscheid, Gabryel L.; Passos, Camila. G.; Sirtori, Carla – Journal of Chemical Education, 2018
The general objective of this study was to analyze the development and implementation process of a waste management project (WMP) at a public school in the city of Porto Alegre in the state of Rio Grande do Sul, Brazil, that offers a course for chemistry technicians. To that end, an initial diagnostic analysis of the commonly produced waste from…
Descriptors: Program Development, Wastes, Sanitation, Science Instruction
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