Experiment of December 21, 2019:

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

Solution video:

Experiment:

Question:

What happens when Ms. Santa just stirs?

A) In still water the coffee powder simply dissolves; in sparkling water it also dissolves.

B) The coffee powder begins to foam strongly in still water; in the sparkling water it dissolves.

C) The coffee powder dissolves in still water but begins to foam strongly in the sparkling water.

D) The coffee powder begins to foam strongly in both still and sparkling water.