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Lincoln, James – Physics Teacher, 2020
A new device for teaching the physics of sound, specifically demonstrating the wavelengths of standing sound waves, is here described. I define a "Lincoln's Tube" as any hollow tube that uses lights (LEDs typically) to demonstrate the presence of sound standing waves. The name is chosen intentionally to recall a Ruben's Tube or a Kundt's…
Descriptors: Physics, Science Instruction, Acoustics, Scientific Concepts
Förster, Christoph; Heinze, Katja – Journal of Chemical Education, 2020
Instructive, inexpensive, and environmentally friendly laboratory syntheses of two highly luminescent copper(I) complexes CuI(PPh[subcript 3])[subscript 2](py[superscript R]) (py[superscript R] = pyridine, 4-cyanopyridine) are described for second-year/upper-division undergraduate inorganic chemistry students. Both complexes exhibit bright…
Descriptors: Science Instruction, Inorganic Chemistry, College Science, Undergraduate Study
Houlahan, Padraig – Physics Teacher, 2018
Electrical engineers often use software to analyze electrical circuits in order to understand circuit behaviors. Such software allows them to modify components and develop and improve their designs. One popular kind of circuit analysis software is based on SPICE (Simulation Program with Integrated Circuit Emphasis). In what follows, I describe how…
Descriptors: Physics, Science Instruction, Lighting, Electronics
Schirripa Spagnolo, Giuseppe; Postiglione, Adriana; De Angelis, Ilaria – Physics Education, 2020
In this paper, an educational tool is proposed to show the internal photoelectric effect in a simple and clear way for Undergraduate Physics courses or High Schools. Experimental evidence of the photoelectric effect is particularly important in the didactic experience. This effect is fundamental to introduce students to the world of quantum…
Descriptors: Science Instruction, Physics, Teaching Methods, Undergraduate Students
Mayer, V. V.; Varaksina, E. I. – Physics Education, 2018
We propose the use of a laptop with a program generator and a transistor power amplifier to control the frequency, duration and amplitude of the LED stroboscope flashes. Examples of the stroboscopic photographs are given.
Descriptors: Physics, Science Instruction, Laptop Computers, Lighting
Stuart, Zahraa; Kelly, Angela M.; Westerfeld, David; Bugallo, Mónica F. – Physics Teacher, 2021
Many physics teachers have experienced the challenges of implementing the Next Generation Science Standards (NGSS) in their high school curricula. These standards, based upon the Framework for K-12 Science Education, were intended to shift science instruction towards an interdisciplinary focus on three-dimensional learning, phenomena anchored…
Descriptors: Physics, Science Instruction, Science Teachers, Engineering
Spencer, Richard – School Science Review, 2018
To enable turf to be re-established quickly between football matches, grass needs to be grown strongly in a few days. As growth in plants requires light, artificial light is needed to supplement daylight, especially in winter months. This investigation concerns finding the most effective colours of light and hence seeking to test suitable lamps…
Descriptors: Athletics, Facilities, Botany, Lighting
Drew, Steven M.; Gross, Deborah S.; Hollingsworth, William E.; Baraniak, Thomas; Zall, Christopher M.; Mann, Kent R. – Journal of Chemical Education, 2019
Time-resolved luminescence lifetime measurements are an important photophysical technique. However, access to this technique at the undergraduate level is limited by the expense of the instrumentation needed to create the well-defined light pulses required to measure the luminescence decay of an excited state molecule. We present here an…
Descriptors: Chemistry, Science Instruction, Lighting, Undergraduate Study
Ball, Doug; Tofel-Grehl, Colby – Physics Teacher, 2020
Electric potential is one of the most challenging concepts taught in high school physics classes due to the abstract nature of the concept. When taught, electric potential is often taught using a poorly triangulated set of instructional analogies, each possessing different strengths and limitations. Within this paper we share our learning from a…
Descriptors: High School Students, Physics, Science Instruction, Energy
Mesquita, Lucas; Brockington, Guilherme; de Almeida, Pamella Aline; Truyol, Maria Elena; Testoni, André; Sousa, Paula, F. F. – Physics Education, 2018
In 2017, almost everywhere in the world, there was a boom in sales of fidget spinners. A toy that has 'multi-lobes' that can rotate freely from a thrust performed with the fingers. Thereby, we analysed the physics concepts that involved in this toy, such as angular and linear velocity. We did the analysis using the software Tracker, a laboratory…
Descriptors: Physics, Science Instruction, Teaching Methods, Toys
Birriel, Jennifer J.; Roe, Clarissa – Physics Teacher, 2015
Several papers in this journal have dealt with the fluorescence in orange neon plastic, olive oil, and soda. In each case, the fluorescent emission was excited by either green or violet-blue laser light. In this paper, we examine the fluorescent emission spectra of so-called neon colored papers and plastic clipboards available in department and…
Descriptors: Science Instruction, Lighting, Light, Plastics
Harrison, Mark – Physics Education, 2018
Putting an electrical circuit within an inaccessible black box and asking pupils to deduce what wiring is contained within the box based solely on the circuit's behaviour is a simple teaching idea with a long history. Problems arise when trying to build enough physical black boxes to simulate a larger number of circuits within a typical school's…
Descriptors: Science Instruction, Equipment, Electronics, Simulation
Tanushevsk, Atanas; Rendevski, Stojan – European Journal of Physics Education, 2016
For acquainting the students of applied physics and students of teaching physics with the concept of energy efficiency, electrical and spectral characteristics of two widely used lamps--integrated fluorescence lamp and common light bulb have been investigated. Characterization of the lamps has been done by measuring the spectral irradiance and…
Descriptors: Energy, Energy Conservation, Lighting, Efficiency
Ribeiro, C. I. – Physics Teacher, 2014
In this article we propose an activity aimed at introductory students to help them understand the Stefan-Boltzmann and Wien's displacement laws. It only requires simple materials that are available at any school: an incandescent lamp, a variable dc energy supply, and a computer to run an interactive simulation of the blackbody spectrum.…
Descriptors: Science Instruction, Physics, Scientific Principles, Lighting
Mills, Allan – Physics Education, 2012
Details are given of a visual photometer based on Joly's paraffin block apparatus of 1888. It is readily constructed from a couple of ordinary candles and a piece of aluminum foil, but enables two luminous sources to be compared to plus or minus 15-20%; this is much better than the eye alone can do. (Contains 1 figure.)
Descriptors: Science Instruction, Science Laboratories, Laboratory Equipment, Lighting