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João Fonseca, Maria; Costa, Patrício; Lencastre, Leonor; Tavares, Fernando – Journal of Biological Education, 2015
Excessive exposure to solar ultraviolet (UV) radiation causes sunburn and has been consistently associated with increased susceptibility to melanoma and skin ageing. Acknowledging the need to promote healthy sun exposure habits, numerous educational initiatives have been developed to raise public awareness towards this issue. However, studies…
Descriptors: Health Behavior, At Risk Persons, Health Promotion, Cancer
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Mafra, Paulo; Lima, Nelson; Carvalho, Graça S. – Journal of Biological Education, 2015
Experimental science activities in primary school enable important cross-curricular learning. In this study, experimental activities on microbiology were carried out by 16 pupils in a Portuguese grade-4 classroom (9-10?years old) and were focused on two problem-questions related to microbiology and health: (1) do your teeth carry microbes? (2) why…
Descriptors: Science Education, Elementary School Science, Dental Health, Health Education
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Easton, Eric; Gilburn, Andre – Journal of Biological Education, 2012
Field work and field courses within undergraduate biology degrees have been under threat in recent years for multiple reasons and while there has been widespread support from learned societies, academic staff and students for the retention of field study, there has been little research to support the perceived value of field teaching within this…
Descriptors: Evidence, Field Instruction, Biology, Foreign Countries
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Fonseca, Maria Joao; Costa, Patricio; Lencastre, Leonor; Tavares, Fernando – Journal of Biological Education, 2012
Concerns about public understanding of biotechnology have motivated educational initiatives to improve students' competency to make scientifically sustained decisions regarding controversial issues. Understanding students' perceptions about biotechnology is essential to determine the effectiveness of these programmes. To assess how students'…
Descriptors: Student Attitudes, Biotechnology, Program Effectiveness, High School Students
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Marques da Silva, Jorge; Bernardes da Silva, Anabela; Padua, Mario – Journal of Biological Education, 2007
"In vivo" chlorophyll "a" fluorescence is a key technique in photosynthesis research. The recent release of a low cost, commercial, modulated fluorometer enables this powerful technology to be used in education. Modulated chlorophyll a fluorescence measurement "in vivo" is here proposed as a tool to demonstrate basic…
Descriptors: Botany, Biology, Secondary Education, Foreign Countries
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Marques, M.; Arrabaca, J.; Chagas, I. – Journal of Biological Education, 2005
Leaves of higher terrestrial plants have small pores--stomata--responsible for gas exchange. The opening of each stoma results from the osmotic uptake of water by two specialised cells--the guard cells. Because of the involvement in this mechanism of ATPase-proton pumps and active transport of ions across membranes, we have designed an Exploring…
Descriptors: Physiology, Biology, Molecular Structure, Cytology
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Reiss, Michael J.; Tunnicliffe, Sue Dale; Andersen, Annemarie Moller; Bartoszeck, Amauri; Carvalho, Graca S.; Chen, Shao-Yen; Jarman, Ruth; Jonsson, Stefan; Manokore, Viola; Marchenko, Natalya; Mulemwa, Jane; Novikova, Tatyana; Otuka, Jim; Teppa, Sonia; Van Rooy, Wilhelmina – Journal of Biological Education, 2002
Investigates young peoples' knowledge and the culture influence using a cross-sectional approach. Involves n=586 pupils from 11 different countries and analyzes resultant drawings using a seven point scale where the criterion was anatomical accuracy. (Contains 24 references.) (Author/YDS)
Descriptors: Anatomy, Biology, Cultural Differences, Foreign Countries