Experiment of December 14, 2023:

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

Solution video:

Experiment:

Question:

What does she observe when she takes a pipette and drips a few drops of water into the circle in the middle?

A) The matches move radially outwards, their angles remain unchanged.

B) The matches straighten up.

C) The matches bend back a little, the angles in the bend become larger. The result is a star with five corners.

D) The matches bend even more, the angles in the bend become smaller. The result is a star with five rays.