We did not want to stay at home this evening but we wanted to do an experiment. Therefore we brought everyghing in our picnic basket. And it was great exploring density on the beach.
To carry out this experiment you need:
2 transparent cups
oil (olive oil or sunflower oil or similar)
Music by www.epidemicsound.com
Experiment inspired by: Russinhissen by Hans Persson (www.hostext.se)