Down With The Clip

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=qsszzQhWoMw

Students see how surface tension can enable light objects (paper clips, peppercorns) to float on an island of oil in water, and subsequently sink when the surface tension of the oil/water interface is reduced by the addition of a surfactant; such as ordinary dish soap. • View the full activity at TeachEngineering: • https://www.teachengineering.org/acti... • TeachEngineering has over 1,500 FREE lessons and activities. • Visit http://www.TeachEngineering.org for more! • Music: Roger That- Silent Partner

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