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Cachi, Salta. 1972
Fotografías tomadas a 2300 msm
Óptica
(2014-03-25)
Fundamentos de Metodología de la Investigación
(2016-07-01)
A case study of how two teachers epistemologies [sic]: Their beliefs about science and science teaching and learning, are enhanced or changed by exposure to explicit reflective activities and a series of lessons which include a consideration of the Nature of Science
(2013-04-02)
This study examined two teachers' beliefs about the nature of science and about teaching and learning science at a secondary school in Trinidad and Tobago. It further sought to assess the influence of explicit reflective ...
La Contaminación
(2013-11-07)
Ácidos Carboxílicos
(2011)
I present an overview of some common carboxylic acids, their formulas, uses and location.
La energía
(2012-01)
Energía
Tipos de energía
Transformaciones de la energía
Fuentes alternativas de energía
La ciencia Química
(2012-01)
La ciencia química