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Drops On a Penny

We really enjoyed this activity as a class. They were surprised at the actual number of drops vs the predictions and it was fun to do and really helped grasp the concept of cohesion and adhesion....I did however use an idea of adhesion...adhesive tape like a band-aid...sticks to something...and that connection was a little bit confusing to them with regards to water...i was just trying to use a familiar word/product that they'd know to explain the word adhesion...but then making the link from bandaid to water was a stretch. I'm not sure i'd use that again. The activity as a whole was really fun and engaging. It reinforced encouragement that science is fun, exploratory and something they CAN DO. Builds confidence in doing more activities! Mahalo

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Mon, 01/28/2013 - 20:27

My students also enjoyed this lab. Its amazing how cool water is when you really look at it !

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Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.