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In this quick activity about the properties of water (page 1 of PDF), learners will use an eyedropper to slowly place one drop of water at a time onto a penny, counting the number of drops until the water spills over the edge. Besides searching for the greatest number drops a penny will hold, drops of milk or vegetable oil can be tested in addition to water, raising the question, "What property of water allows it to pile up this way?" Relates to the linked video, DragonflyTV: Malformed Frogs.
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