During our 3rd week of using Exploring Water with Young Children (The Young Scientist Series by Ingrid Chalufour and Karen Worth), the PreK children began to explore an important property of water...that it sticks to itself (cohesion). When the children first saw the drops, they said they looked like rain drops and like little bubbles. They found out that they could move a drop around to join another drop, making an even bigger drop. They challenged their friends to make the tiniest drops. They jiggled the plate to watch the drops jiggle and shake. I notice that it took great concentration and fine motor skills to control the amount of water coming out of the eyedropper. Next the children will make and observe drops on various surfaces, like waxed paper, aluminum foil, plastic wrap, paper towel, and fabric. The children will also be recording their observations in their science journals.
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