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Diplock, Kenneth J.; Jones-Bitton, Andria; Leatherdale, Scott T.; Rebellato, Steven; Hammond, David; Majowicz, Shannon E. – Journal of School Health, 2019
Background: We explored priority areas of food safety education needed by high-school students within Ontario, Canada. Methods: We analyzed transcripts from semistructured interviews with 20 experts in food safety, food safety education in youth, and high-school education in Ontario. Inductive thematic analysis was used to identify priority food…
Descriptors: Foreign Countries, Food, Safety Education, High School Students
Vu D. Nguyen; Kurt R. Birdwhistell – Journal of Chemical Education, 2014
An update to the thermochromic cobalt(II) chloride equilibrium demonstration is described. Filter paper that has been saturated with aqueous cobalt(II) chloride is heated for seconds in a microwave oven, producing a color change. The resulting pink and blue map is used to colorfully demonstrate Le Châtelier's principle and to illuminate the hot…
Descriptors: Science Instruction, Chemistry, Color, Thermodynamics
D'Anna, Michele; Corridoni, Tommaso – Physics Teacher, 2015
Thin film interference manifests itself in a wide range of visually pleasing situations in everyday life (in the colored effects caused by a drop of oil on water, in soap bubbles, etc.) and is also involved in important technical applications (semi-reflecting mirrors, anti-reflection lenses, etc.). Yet, despite its familiarity, high school…
Descriptors: Science Experiments, Science Activities, High School Students, Scientific Concepts
Bochnícek, Zdenek; Konecný, Pavel – Physics Education, 2014
The paper describes a set of physics demonstration experiments where thermal sensitive foils are used for the detection of the two dimensional distribution of temperature. The method is used for the demonstration of thermal conductivity, temperature change in adiabatic processes, distribution of electromagnetic radiation in a microwave oven and…
Descriptors: Science Instruction, Science Experiments, Thermodynamics, Heat
Dziedzic, Rafal M.; Gillian-Daniel, Anne Lynn; Peterson, Greta M.; Martínez-Herna´ndez, Kermin J. – Journal of Chemical Education, 2014
In this hands-on, inquiry-based lab, high school and undergraduate students learn about nanotechnology by synthesizing their own nanoparticles in a single class period. This simple synthesis of zinc oxide nanorods and zinc hydroxy sulfate nanoplates can be done in 15 min using a household microwave oven. Reagent concentration, reaction…
Descriptors: Hands on Science, Inquiry, Active Learning, Science Laboratories
Pham, Susan N.; Kuether, Joshua E.; Gallagher, Miranda J.; Hernandez, Rodrigo Tapia; Williams, Denise N.; Zhi, Bo; Mensch, Arielle C.; Hamers, Robert J.; Rosenweig, Zeev; Fairbrother, Howard; Krause, Miriam O. P.; Feng, Z. Vivian; Haynes, Christy L. – Journal of Chemical Education, 2017
In recent years, nanomaterials have entered our daily lives via consumer products; thus, it has become increasingly important to implement activities to introduce these novel materials into chemistry curricula. Here we introduce a newly developed fluorescent nanomaterial, carbon dots, as a more environmentally friendly alternative to heavy-metal…
Descriptors: Chemistry, Electronic Equipment, Spectroscopy, Science Instruction
Kácovský, Petr – Physics Teacher, 2019
Providing instant visual feedback, thermal imaging cameras are becoming more and more popular tools not only in industrial applications, but also in physics education. Continuously decreasing prices, modules compatible with smart portable devices, and intuitive operation make thermal measurements available for schools and attractive for students.…
Descriptors: Electronics, Physics, Science Instruction, Photography
Fordyce-Voorham, Sandra P. – Health Education, 2016
Purpose: The purpose of this paper is to test an hypothesis that teachers' personal orientations toward food preparation, nutrition and environmental issues would be related to their perceived importance of food skills. Design/methodology/approach: Little research has been conducted on home economics teachers' views on the importance of the food…
Descriptors: Home Economics Education, Food, Teacher Competencies, Hypothesis Testing
Berger, Roland; Hanze, Martin – International Journal of Science Education, 2009
Twelfth-grade physics classes with 344 students participated in a quasi-experimental study comparing two small-group learning settings. In the jigsaw classroom, in contrast to the cyclical rotation method, teaching expectancy as well as resource interdependence is established. The study is based on the self-determination theory of motivation,…
Descriptors: Physics, Secondary School Science, Grade 12, Secondary School Students
Planinsic, Gorazd; Vollmer, Michael – European Journal of Physics, 2008
The surface-to-volume ratio is an important quantity in thermal physics. For example it governs the behaviour of heating or cooling of physical objects as a function of size like, e.g. cubes or spheres made of different material. The starting point in our paper is the simple physics problem of how cheese cubes of different sizes behave if heated…
Descriptors: Animals, Metabolism, Heat, Biology
Graves, Tara B.; Collins, Belva C.; Schuster, John W.; Kleinert, Harold – Education and Training in Developmental Disabilities, 2005
Three secondary students with moderate disabilities acquired cooking skills through a constant time delay procedure used with video prompting. A multiple probe design was used to evaluate effectiveness of the procedure to teach preparation of a food item (a) on a stove, (b) in a microwave, and (c) on a counter top. The procedure was effective for…
Descriptors: Prompting, Daily Living Skills, Secondary School Students, Disabilities