Surface Tension & Surfactant Experiment

Have you ever wondered why when rain falls on a window, it doesn’t wet the glass uniformly? Instead, it sticks to the surface in distinct droplets that gravity then pulls down in streaks. This is because of a property known as surface tension. Water molecules tend to stick together in drops. So in order to make water “wash better” we have to reduce its surface tension so that it wets things more uniformly. A surfactant does just that. Detergents and other cleaners contain surfactants that improve water’s ability to wet things, spread over surfaces and penetrate dirty clothes fibers. Surfactants have molecules that can attach one end to water and the other end to dirt and grease, which helps break it up and wash it away. ServiceMaster dedicates many resources to developing exclusive cleaning products that can make cleaning soot from fires more efficient and thorough.

If you are like us, you are always looking for quick and easy ideas for science fair projects. This is a great one on surface tension and the use of surfactants. ServiceMaster Restore by AAA is a full service disaster restoration company servicing the Lehi, UT and surrounding areas. If you are in need of fire damage or water damage restoration services, please call us 24/7 at 855-788-2225.

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