Didactic material as a guide for the use of common objects integrating a mobile application to determine the speed of sound in air: An experiment in physics in high school

The present paper presents a proposal for a didactic material that can be used as an instrument for classes in face-to-face as well as online This type of material is necessary in this era in which the online modality has taken on the main role in a large part of the educational systems worldwide because of the measures adopted by the COVID-19 pandemic Available materials are used, as well as a free mobile phone app With this, it is expected to continue contributing to the teaching of Experimental Physics, which has been affected by the online teaching modality © 2021, Associacao Iberica de Sistemas e Tecnologias de Informacao All rights reserved