Experiment of December 24, 2018:
The time to submit an answer is over. You can now view the solution of the experiment.
Full chain reaction 2018:
What happens when Mr. Santa lets the balloon circle quickly?
A) There is a humming noise
B) There is a screeching or screaming noise.
C) The balloon bursts immediately
D) The balloon gets warm in the middle and constricts itself there.
Advice of the day:
Because it was asked: A "humming noise" has a low frequency, a "screaming noise" a high frequency. Try it out.