Why do astronauts think that they weigh more or less when their spacecraft starts and lands? How does the weight of somebody change in a moving elevator?
Here you find the documents the students use to do the experiment (Belgium and Italy)
Some pictures from Belgium ...
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:
And then the students made a PowerPoint in international groups, here you see the result: