Why does a spacesuit becomes too short in space?

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/anna_bondi/e5wgqe2s1k7i

https://padlet.com/matteogattei000/qvo3zmi3pwr4

 

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