Practices with the experiment of the “body fall” with the use of the smartphone stopwatch and with the use of video analysis

Abstract

This study had as main objective to analyze the perceptions of middle school students about the limits and possibilities of using the smartphone's stopwatch and video analysis, through the Tracker software, to explore the phenomenon of falling bodies. For that, a teaching sequence with six stages was proposed and developed in four classes of the 1st grade of High School. This is a qualitative research, of the participant type of research, whose data collection strategies were participant observation and the use of questionnaires. The emerging data were treated in the light of the Discursive Textual Analysis. As main results, it was possible to verify that the students recognized different ways of producing science, meant science as a human product, appropriated different ways of scientific language, recognized the limits and potentialities of the first method, the second and the association between Those.