Experiment of December 15, 2023:
The time to submit an answer is over. You can now view the solution of the experiment.
What does Mr. Santa observe when he slowly sticks his index finger a few cm deep into the glass?
A) The pepper powder softens to the side so that the finger becomes completely wet.
B) The pepper powder mixes immediately with the water and forms a longitudinal stripe pattern on the finger.
C) The pepper powder mixes immediately with the water and forms a cross-stripe pattern on the finger.
D) The pepper powder forms a layer around the finger so that it remains completely dry.