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Cordeiro, Cristiano M. B.; Fujiwara, Eric – Physics Teacher, 2022
The refractive index (RI) is probably the single most important parameter in optical systems. Chromatic dispersion, on the other hand, indicates how the RI depends on the wavelength and is central in, e.g., optical communication systems. Chromatic dispersion also plays an important role when teaching optics due to the captivating natural…
Descriptors: Physics, Science Instruction, Science Experiments, Light
Williams, Hollis – Physics Education, 2022
The Crookes radiometer (also known as a light mill) is a fascinating sunlight-powered device, in which a set of vanes is placed inside a glass bulb within which a partial vacuum has been pulled. The vanes then rotate when sunlight shines on the bulb. The reason for the turning of the vanes was subject to intense debate and many students still have…
Descriptors: Physics, Science Instruction, Light, Measurement Equipment
Ollé, H.; Kovács, T. – Physics Education, 2022
Data from the Kepler satellite were analysed using the Mikulski Archive for Space Telescopes database. With the participation of 53 students, we determined the parameters of the HAT-P-7b (Kepler-2) exoplanet system (transit duration, planet-to-star radius ratio, orbital period, semi-major axis and star mass). We used approaches that are easy to…
Descriptors: Photography, Databases, Physics, Science Instruction
Li, Dean; Liu, Lilan; Zhou, Shaona – Physics Teacher, 2020
Interest in smartphone-based learning, especially in the use of internal sensors in smartphones for physics experiments, is increasing rapidly. Internal sensors in smartphones such as acoustic sensor, optical sensor, and acceleration sensor can help researchers alleviate the problems including insufficient accuracy with low-cost equipment, high…
Descriptors: Physics, Science Instruction, Teaching Methods, Telecommunications
Gerber Hornink, Gabriel; Costa, Manuel Joao – Biochemistry and Molecular Biology Education, 2020
Virtual laboratory simulations can contribute to the educational objectives related to practical classes, especially in situations of online or hybrid teaching. We present a proposal for laboratory activity involving the quantification of proteins with the biuret reaction and measurement by visible light spectrometry. The student will be able to…
Descriptors: Science Instruction, Teaching Methods, Computer Software, Laboratory Experiments
Riener, Cedar – Teaching of Psychology, 2019
When people perceive the world, what they see is based on the physics of light reflecting off surfaces and entering their eyes. Their brain then processes the raw data so that photoreceptor activity becomes perceptual awareness. Most textbooks and chapters on sensation and perception follow this formula, building student understanding of…
Descriptors: Visual Perception, Cognitive Processes, Psychology, Memory
Myrstad, Anne; Hackett, Abigail; Bartnaes, Pernille – Global Studies of Childhood, 2022
This paper explores what place means for early childhood education at a time of global environmental precarity. We draw on fieldwork in Arctic Norway, where kindergarten children spend time with snow for more than half of the year. Children's movement attunes to the nuances and diversity of the snow, as seasons, temperature, light, wind and…
Descriptors: Early Childhood Education, Sustainability, Kindergarten, Weather
Joseph, Ariana; Budden, Katherine; Cisek, Richard; Tokarz, Danielle – Journal of Chemical Education, 2018
In a university third-year instrumental chemistry laboratory students build a laser based polarimeter for determining light scattering with commercially available optical components used in modern optics research laboratories. During this laboratory experiment, students learn that solutions containing molecules which scatter light also influence…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Error Patterns
Lauginie, Pierre – Science & Education, 2013
We discuss how light acquired a velocity through history, from the ancient Greeks to the early modern era. Combining abstract debates, models of light, practical needs, planned research and chance, this history illustrates several key points that should be brought out in science education.
Descriptors: Motion, Light, Physics, Science Instruction
Carchon, Roland; Segers, Danny – European Journal of Physics Education, 2015
We repeated the historical infra-red radiation experiments performed by Melloni, to investigate why, at the end of his life, he came to the conclusion that radiation from light and heat rely on the same basic principle, what has been translated as the so called unitary formalism. In doing so, we profited from a Master thesis on heat radiation and…
Descriptors: Physics, Science Instruction, Radiation, Teaching Methods
Mussi, María Alejandra; Actis, Luis A.; de Mendoza, Diego; Cybulski, Larisa E. – Biochemistry and Molecular Biology Education, 2014
A laboratory exercise was designed to illustrate how physical stimuli such as temperature and light are sensed and processed by bacteria to elaborate adaptive responses. In particular, we use the well-characterized Des pathway of "Bacillus subtilis" to show that temperature modulates gene expression, resulting ultimately in modification…
Descriptors: Science Laboratories, Stimuli, Heat, Light
Featonby, David – Physics Education, 2010
This article examines several readily available "magic tricks" which base their "trickery" on physics principles, and questions the use of the word "magic" in the 21st century, both in popular children's science and in everyday language. (Contains 18 figures.)
Descriptors: Physics, Science Instruction, Teaching Methods, Scientific Principles
Grober, S.; Vetter, M.; Eckert, B.; Jodl, H.-J. – European Journal of Physics, 2010
The speed of light is an essential topic in the teaching of physics at school and at university, either with respect to the type of experiment or of course with respect to its genuine inherent importance. In reality, the various available experiments are hardly ever performed in class for many reasons. Therefore, we offer this experiment as a…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Physics
Dedes, Christos; Ravanis, Konstantinos – Science & Education, 2009
This study investigates the effectiveness of a teaching conflict procedure whose purpose was the transformation of the representations of 12-16-year-old pupils in Greece concerning light emission and shadow formation by extended light sources. The changes observed during the children's effort to destabilize and reorganise their representations…
Descriptors: Optics, Foreign Countries, Science Instruction, Lighting
Farkas, N.; Donnelly, K. M.; Henriksen, P. N.; Ramsier, R. D. – Physics Education, 2004
A simple blind spot activity has been devised to help students discard misconceptions about image formation by lenses. Our hands-on experiment, in which students determine the location and size of their blind spots, is suitable for various age groups at different educational levels. The activity provides an opportunity to teach students how to…
Descriptors: Physics, Misconceptions, Science Instruction, Teaching Methods
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