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Download full textObaya-Valdivia, A.; López Acosta, D.; Montaño Osorio, C.; Vargas-Rodríguez, Y. M. – Online Submission, 2023
This study presents the design and application of a didactic sequence aimed at enhancing high school students understanding of recyclable plastic polymers. The proposed teaching strategy incorporates cooperative learning activities to identify different types of plastics, particularly recyclable ones. The goal is to increase student's scientific…
Descriptors: Recycling, Plastics, High School Students, Teaching Methods
Direct linkKrahn, Harvey J.; Chow, Angela; Galambos, Nancy L.; Johnson, Matthew D. – British Journal of Sociology of Education, 2018
This paper asks whether concerns about social problems decline with age. Unconditional growth models (without covariates) revealed a decline over 25 years (age 18 to 43) in concerns about racial discrimination, treatment of Aboriginal Peoples, female job discrimination, unemployment and environmental pollution. Educational attainment was not…
Descriptors: Aging (Individuals), Young Adults, Late Adolescents, Adults
Cinti, Stefano – School Science Review, 2021
Every day we deal with chemistry in various forms, but sometimes we don't see that. An example is biosensors that help us to evaluate health conditions, monitor environmental pollution and ensure food freshness. The most well known (and most widely sold) is the biosensor for blood glucose measurement, used every day by people with diabetes.…
Descriptors: High School Students, Measurement, Chemistry, Science Laboratories
Vezza, Mariana E.; Sosa Alderete, Lucas G.; Agostini, Elizabeth – Journal of Biological Education, 2023
Biosphere contamination is a current environmental and social issue that must be included in the school programme. It is essential that students recognise their responsibility, and be knowledgeable about the generation and reduction of environmental pollution. Dyes are usually used in school activities and discharged into household effluents,…
Descriptors: Science Laboratories, High School Students, COVID-19, Pandemics
Gonçalves, Bárbara Rezende; Silva-Caldeira, Priscila Pereira – Journal of Chemical Education, 2019
Most didactic lab experiments deal with the influence of temperature, concentration, pressure, surface area, and catalysts on chemical kinetics; however, few of them explore the influence of light radiation and the presence of inhibitor agents on reaction rates. In order to investigate the effects of the radiation source and the presence of…
Descriptors: Light, Food, Laboratory Experiments, Science Experiments
Steinhauser, Georg; Klapotke, Thomas M. – Journal of Chemical Education, 2010
Fascination with fireworks and pyrotechnics can be used for educational purposes. Several aspects of pyrochemistry such as redox reactions, flame colors, or the theory of combustion can be incorporated in the curriculum to illustrate some basic chemical principles, guaranteeing a lesson that will be engaging and memorable. Beyond classic…
Descriptors: Chemistry, Pollution, Scientific Principles, Color
