Why do astronauts experience space (motion) sickness (also known as space adaptation syndrome)?

Here you find the documents the students use to do the experiment (Belgium and Italy)

        

The Italian students of one class made videos:

The students of the other Italian class made a padlet with everything they did for the experiment:

https://padlet.com/martina_camprini/3y4klan927fy

https://padlet.com/mattiacasadei2000/uurh7d4zrcub

 

And then the students made a PowerPoint in international groups, here you see the result: