Experiment of December 19, 2025:

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

Solution video:

Experiment:

Question:

Which marble falls faster?

A) The marble in tap water falls faster.

B) The marble in the salt water falls faster.

C) Both marbles fall at the same speed.

D) The marble in tap water sinks, while the one in salt water floats on the surface.