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Viscosity of Oil

CSEF · 2004 Materials Science (Junior Division Only)

Ernesto Ochoa, Edgar Reyes · John Kelley School, Thermal

Overview

Objectives/Goals The objective of our project is to determine witch oil brand has the highest viscosity. Methods/Materials We used three different brands of motor oil of different grades for testing which included: Castrol 20w-50, Castrol 10w-40, Pennzoil 20w-50, Pennzoil 10w-40, Valvoline 20w-50, Valvoline 10w-40, and Castrol Syntec Blend 20w/50; pipettes, test tubes, test tube racks, beakers, thermometers, ring stands, and a Bunsen Burner; wood and aluminum stripping to construct our testing ramp; and a stop clock. Results After testing our oils for their viscosity, we learned that the Castrol 20w-50 had the highest viscosity. This oil also had the hightest viscosity after we heated it to 90 centigrate. We will have more and possibly different resutls for the State Science Fair since we plan to do more testing and possibly modify our testing ramp. Conclusions/Discussion Our conclusion is that the Castrol 20w-50 is a better lubricant than the other oils. What we mean by it being a better lubricant is that it does not have the tendency to run; in other words, its molecules tend to stick together and resist flow. It is extremely important that as a consumer, a person knows which oil brand is best for lubricating thier car engines at different times of the year, example winter verses summer.

Summary statement

Our science project examines the viscosity of oil to see which is a better lubricant in different conditions.

Help received

Mr.Gutierrez helped construct our 1st testing ramp, Mr. Martinez helped us with our testing procedure, Mr. Gutierrez, our computer teacher,help us find research material, Mr. Reyes, my partner's father helped us improve the design of our 2nd testing ramp, and our parents helped us by spending time with us at the

Awards (1)

  • Category Award

Competition history

  • CSEF 2004 Materials Science (Junior Division Only) · Entry J1132

Resources

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