Experiment of December 10, 2019:

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

Solution video:

Experiment:

Question:

What does Mr. Santa observe when he pulls the balloon rubber repeatedly or presses it briefly at the back?

A) Ring-shaped clouds of smoke.

B) spherical clouds of smoke.

C) cylindrical clouds of smoke.

D) rod-shaped clouds of smoke.