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Surface Tension | Chapter 5: The Water Molecule and Dissolving | Middle School Chemistry
Measuring Surface Tension of Water with a Penny | Science Project
One penny has a surfactant in the form of detergent added to it. The surface tension on this penny breaks much sooner than the penny without. - Stock Video Footage - Dissolve
Penny Palalis Portable Retro Soap Dispenser, New Multifunctional Refillable Pump Bottles for Lotions Liquid Soaps - Walmart.com - Walmart.com
Clean Clothes for Cheap with 77¢ Arm & Hammer Sensitive Detergent at Walgreens (at CVS too)! (Ends 5/12)