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Viscosity of sweetened waterFeatured science projectScience project video

Conclusion

The hypothesis that the viscosity of water will increase when more sugar is added and mixed in water is correct.

The study of fluid dynamics and viscosity is very important when fluids like oil, gas or water is being transported over long distances through pipe lines. The changing weather, climate and temperature can alter the viscosity and flow rate of fluisd. Thus, sensors and pumps must  be placed in these pipes to ensure that a constant flow rate is maintained.

Also consider

Try to repeat this science fair project by adding other substances like salt or milk powder.

The experiment can also be repeated using a different sized hole in the metal cup.

References

Viscosity - http://en.wikipedia.org/wiki/Viscosity

Specific gravity and viscosity of liquids - http://www.csgnetwork.com/sgvisc.html

What is viscosity? - http://www.wisegeek.com/what-is-viscosity.htm

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Complexity level:
7
Project cost ($):
40
Time required:
1 hour to prepare, 2 hour for observation
Material availability:
You will need access to a drill and other basic tools
Safety concerns:

Be extremely careful when handling tools, especially power tools. The assistance of an adult is required for this.