Uso de las TIC en los procesos de enseñanza y aprendizaje del contenido “Enlace Químico y sus Propiedades”, centrado en habilidades cognitivas en estudiantes de educación media chilena

This research evaluates the effectiveness of the use of ICT in the teaching and learning process of 9th graders in the content of Chemical Bonds and its properties, during two annual school periods at the School "Juan Luis Undurraga Aninat", Santiago de Chile. This research has a quantitative approach, and is a field and quasi-experimental work (pre and post-test), whose instruments were evaluations and surveys. The results showed that the percentages of achievement for each indicator increase on average 29 points; the learning ranges decrease in insufficient students (69% to 9%) and show mobility towards "Good" (5% to 40%) and "Very Good" (2% to 12%) categories, without observing significant differences in the category "Acceptable". On the other hand, the development of scientific skills increases, on average, above 30 points. The most significant increases were: identify (75%), observe (79%), recognize (75%), apply (78%), compare (90%) and analyze (81%). It is concluded that the use of ICT has positive effects on student learning in this topic.