Experiment of December 13, 2021:

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

Solution video:

Experiment:

Question:

How do the sounds differ?

A) blown: both the same, tapped: fizz low and rising, tap water higher.

B) blown: both equal, tapped: bubbles low and rising, tap water higher and rising.

C) blown: Bubbles high, tap water low, tapped: both equal and both rising.

D) blown: Bubbles low, tap water high, tapped: both equal and both descending.

Advice of the day:

Today's experiment is difficult. If you want to examine all aspects, you should also swap the bottles. But perhaps individual aspects will already lead to a clear answer.