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viscosity
Viscosity of sweetened water
Avery Safley

Introduction: Have you ever wondered why your honey comes out of the bottle so slow? The answer to this is viscosity. Viscosity is the resistance of a liquid to flow. Every liquid exhibits this resistance to some degree. Therefore the more resistance shown, the higher the viscosity. It can be thought of as fluid friction, just as solids show friction between other solids. This friction is caused by the molecules within the substance. Viscosity is dependent on many variables of which include: temperature, density, concentration, friction, and gravity. The biggest factor of viscosity is by far temperature. By varying the temperature you can change the viscosity of just about any fluid whether it be a liquid or a solid. Not only is temperature a large factor but so is composition. If you change one component of a petroleum mixture it is possible to attain a desired viscosity at a given temperature. This idea is kept in mind of motor oil companies who encourage the purchase of an oil with a lower viscosity in the winter than that in the summer to ensure that your car will start up consistently. Viscosity is a large factor throughout everyday life. For my project I will be testing the viscosity of water with different amounts of sugar added to them. In order to test the viscosity, I will be measuring the amount of time it takes for the liquid to completely pour out of the metal cup. Viscosity can be measured in a number of different ways using viscometers.

Materials/ Protocol In order to complete this project I needed ten materials of which included: a metal cup, an electric drill with a small drill bit, water (1000 mL), sugar (300 g), cylinder, digital weighing scale, 5 beakers, a stopwatch, a spatula, and a black marker. To complete one test, I start out with pouring a premeasured amount of 200mL of water into a cup and mixing in with that water 20g of sugar. Then I pour the mixture into the metal cup



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