Experiment of December 4, 2019:

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Solution video:

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Experiment:

Question:

What happens if Mr. Santa sprays cold or warm water into the bucket with the shower?

A) the strips are pulled inwards to the bucket, whether warm or cold.

B) the strips are drawn inwards by warm water and outwards by cold water

C) the strips are drawn inwards by cold water and outwards by warm water

D) the strips are pushed outwards in both cases