How Many Drops?
Students explore surface tension. They count the number of drops of plain water that they can fit onto the surface of a penny. Then they count how many drops of soapy water will fit. They discuss why soap affects the results.
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Scientific Method: How Many Drops of Water Fit on a Coin?
Young investigators conduct an experiment using the scientific method. They see how many drops of water fit on a coin; have them conduct several different trials. This involves making a hypothesis, looking at controls, and introducing...
3rd - 6th Science
Chain Drop Experiment
Test your class' understanding of free falling objects with a video demonstration that shows two equal weights dropped simultaneously. One hits the ground first, which is contrary to what students understand about the acceleration due to...
1 min 6th - 12th Science CCSS: Adaptable