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Direct linkLeden, Lotta; Hansson, Lena – Research in Science Education, 2019
The inclusion of "nature of science" (NOS) in science education has for a long time been regarded as crucial. There is, however, a lack of research on appropriate NOS aspects for different educational levels. An even more neglected area of research is that focusing on teachers' perspectives on NOS teaching at different levels. The aim of…
Descriptors: Scientific Principles, Science Instruction, Science Education, Elementary School Science
Ghirardi, Marco; Marchetti, Fabio; Pettinari, Claudio; Regis, Alberto; Roletto, Ezio – Journal of Chemical Education, 2015
A didactic sequence is proposed for the teaching of chemical equilibrium law. In this approach, we have avoided the kinetic derivation and the thermodynamic justification of the equilibrium constant. The equilibrium constant expression is established empirically by a trial-and-error approach. Additionally, students learn to use the criterion of…
Descriptors: Secondary School Students, Sequential Approach, Chemistry, Curriculum Implementation
