8 September 2014: Variables and more variables

Today we tried to narrow the gap amongst the groups.

We switched out one partner to work with someone else and share information. Then the new partnerships counted drops on a penny after analyzing the differences between their techniques.

At the end of the period, the class determined that the height of the dropper and the amount of water in the dropper were two of the most important variables in determining the number of drops.

There is another question:

Why do does so much water stay on such a small surface to being with?

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