Experiment of December 19, 2016:

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

Solution video:

For technical reasons you need to click twice to first load the video and then start playing it.

Experiment:

Question:

What happens if Ms. Santa puts a small drop of washing-up liquid into the center after 1-2 minutes?

A) The matches are attracted by the sugar and repelled by the washing-up liquid.

B) The matches are attracted by the sugar and attracted by the washing-up liquid.

C) The matches are repelled by the sugar and repelled by the washing-up liquid.

D) The matches are repelled by the sugar and attracted by the washing-up liquid.