Drops On A Penny Lab Worksheet Answers. This lab was a controlled. Be sure to hold the eyedropper.
5 th - 10 th. The classic water drops on a penny lab has never been more clear cut and dry than this. It could be argued that something else entirely allows the penny to hold the most water and the fact that waters surface tension is the highest of the three liquids is mere coincidence.
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4 Keep track of the water drops as you add them one at a time until water runs over the edge of the penny. The hydrogens of one water molecule are attracted to the oxygen from other water molecules. Using drops on a penny provides only an indirect comparison of surface tensions at best. 4 Keep track of the water drops as you add them one at a time until water runs over the edge of the penny.