2. Explanation about the qualities of sound in order to clarify the information provided by students through the brainstorm (talk about the qualities of sound from the point of view of science and music).
3. Try to fill in the gaps
4. Matching activity
6.Create a small melody with Musescore or Noteflight to explore the relationship between the qualities of sounds and the music theory
7. Homework assignment in groups of four students: record atmospheres which represent sound, noise and silence (one of each). It is necessary to take images by video or photo.