Critical thinking An alternative to develop it

According to the national curriculum proposed by the Ministry of Education teachers at all educational levels have the mission to carry out a constructivist teaching process such ability is a profile in students considering that teachers must develop skills in their students the same that allows them to analyze formulate conclusions generate new knowledge through the competencies of the curricular area science and technology in the competencies of: constructs information through scientific research; uses the understanding of living beings to describe the physical environment; Matter and energy; biodiversity of the world and the universe; creates and implements technical solutions to address problems in their environment.