Results 21 to 30 of about 223,204 (307)

Improving Climate Change Awareness of Preservice Teachers (PSTs) through a University Science Learning Environment

open access: yesEducation Sciences, 2021
The position of universities is of great importance in climate change education (CCE) if the scientific, environmental, social, and political challenges the world confronts are to be met.
Jin Su Jeong   +4 more
doaj   +1 more source

EL EFECTO DIDÁCTICO EN CIENCIAS EXPERIMENTALES

open access: yesTED: Tecné, Episteme y Didaxis, 2001
The partial results obtained in our research The interpretative, propositive and argumentative competencies in Science: A pedagogical and didactical problem” have suggested the need to apply the concept of didactic effect”. The propositions here outlined fit into the non-lineal dynamics and into the theory of complexity.
Rómulo Gallego Badillo   +3 more
openaire   +2 more sources

Análisis comparativo de las propiedades mecánicas determinadas con técnicas de nanoindentación

open access: yesRevista de Metalurgia, 2004
En este trabajo se analizan las posibilidades de la nanoindentación para caracterizar el comportamiento mecánico de un material, comparando sus resultados con los que proporciona el ensayo de tracción convencional.
R. A. Garrido-Maneiro   +2 more
doaj   +1 more source

How Do Prospective Teachers Address Pupils’ Ideas during School Practices?

open access: yesEducation Sciences, 2022
This paper assesses the coherence between the conceptions of prospective teachers about pupils’ ideas and how these are used in their educational proposals for primary school classrooms.
Magdalena Valverde Pérez   +2 more
doaj   +1 more source

Cambio didáctico del profesorado de ciencias experimentales y filosofía de la ciencia [PDF]

open access: yesEnseñanza de las Ciencias. Revista de investigación y experiencias didácticas, 2021
La comprensión de los procesos de cambio didáctico del profesorado, así como los aspectos que lo facilitan u obstaculizan, es uno de los temas más relevantes de la agenda internacional de investigación educativa, y un elemento esencial para planificar y llevar a cabo programas de formación inicial y permanente del profesorado.
openaire   +7 more sources

Obtaining of polyunsaturated fatty acids concentrates by the urea complexes method

open access: yesGrasas y Aceites, 1995
A concentration process for polyunsaturated fatty acids (PUFAs n-3) stearidonic (18:4 n-3), eicosapentaenoic (20:5 n-3) and docosahexaenoic (22:6 n-3) from cod liver oil using urea method has been thoroughly studied.
A. Robles Medina   +2 more
doaj   +1 more source

MINERALES EN EL TRABAJO POR AMBIENTES EN LOS CURSOS DE TRANSICIÓN: ¿ES POSIBLE LA INTEGRACIÓN DESDE LAS CIENCIAS NATURALES?UN ESTUDIO DE CASO EN AULAS MULTIGRADO

open access: yesInvestigações em Ensino de Ciências, 2023
La integración desde las ciencias permite al alumnado dotar de significado el aprendizaje de determinados temas desde diferentes puntos de vista.
María José Sáez Bondía   +3 more
doaj   +1 more source

Algunas contribuciones de la mujer a las ciencias experimentales [PDF]

open access: yes, 1996
Contributions of women to Science in the past have been scarce, but relevant in severa1 cultures. Nevertheless, these contributions have been further obscured by subsequent male writers.
Muñoz Páez, Adela
core   +2 more sources

Rheology of oleogels based on sorbitan and glyceryl monostearates and vegetable oils for lubricating applications

open access: yesGrasas y Aceites, 2011
Oleogels based on sorbitan and glyceryl monostearates and different types of vegetable oils, potentially applicable as biodegradable alternatives to traditional lubricating greases, have been studied.
R. Sánchez   +4 more
doaj   +1 more source

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