Água destinada ao consumo humano : o estudo de uma problemática socioambiental articulada aos conteúdos de solução e concentração

Abstract

Water is a natural resource, indispensable for human survival, being used in the most diverse activities. However, the availability of this resource for human consumption and activities is low, in addition to often presenting a low quality. Therefore, it is extremely important for the population to monitor and analyze the quality of this resource, so that its potability is certified and the water does not present health risks. In this sense, the present research presents a qualitative approach, with the objective of investigating the alternative conceptions of students about the quality of water for human consumption and its associations with the contents of solution and concentration, through the application of the didactic sequence "Is the water I am consuming drinkable?". This research was applied to 18 students from the public school system, from the 2nd grade of high school, initially, 69% of the students presented conceptions of sensory origin about water quality for human consumption, and at the end of the application of the sequence 42% of the students presented a correct conceptualization about water quality and 33% of the students, demonstrated an understanding of the concepts worked, being able to establish a relationship with the theme.