Experiment of December 15, 2024:

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Solution video:

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Experiment:

Question:

What does he observe when he repeats this movement a few times. ?

A) A soap bubble forms on the hole, which sometimes gets bigger and then smaller again.

B) A soap bubble forms on the hole and gets bigger and bigger.

C) A soap bubble forms in the beaker under the hole and gets bigger and bigger.

D) First a soap bubble forms in the beaker under the hole, then more and more soap bubbles.

Advice of the day:

When the cup is lifted, the entire edge of the cup remains submerged in the water.