Every day each group of students should reflex about their learning and about their work. It is very difficult to improve if they are not really concious about what they have done, what problems they had, etc...
At the end of lesson the group of students will reflex about all these things.
At the very beggining of the project they will share a Google Drive Document which is going to be the LEARNING AND PROCESS DIARY. The recorder every day will talk with their group mates and complete the different parts of the diary: