In supporting students toward literacy, teachers must provide experiences that support the formation of informed understandings of the nature of science (NOS), as well as a structure for developing evidence-based explanations. In this article the authors describe how they guided their students through this learning cycle to answer the essential…

The article is aimed at a partial problem of science process skills development--the evaluation of educational outcomes. In comparison to evaluation of obtained knowledge, the skills development is not so easy to be objectively evaluated. The article provides a proposal of an evaluation tool and describes the first results of its research…