Experiment of December 15, 2018:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

What does Ms. Santa observe after an hour?

A) The handkerchief remains dry. The line remains unchanged

B) The handkerchief sucks itself full of water. Green-blue parts wander downwards out of the line.

C) The handkerchief sucks itself full of water. Green-blue parts wander upwards out of the line

D) The handkerchief sucks itself full of water. From the stroke yellow-red parts move downward