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Fact or Friction

CSEF · 2018 Product Science (Physical) (Junior Division Only)

Cornelius E. Harmon · Westfield School, Porterville, Tulare County

Overview

Objectives/Goals The objective of this study is to measure the efficacy of various motor oils to reduce heat cause by friction. Methods/Materials Wooden test stand (2"x 2"x 8" post), copper caps,electric motor (drill), Wire drill bit brush, egg timer, eye dropper, thermocouples (type K), and multimeter. Measured the ability of various motor oils to reduce friction through measuring temperature increase. Results A controlled volume of various brands of motor oils were placed in cooper caps. The temperature increase of the cooper caps, when exposed to heat, was recorded. Repeated trials were run to calculate an average temperature increase. The difference between the temperatures was statistical significant. Conclusions/Discussion To within the accuracy of the measurements, the presence of motor oil significantly reduced friction. However, the difference between the brands of motor oils was not statistically significant. This study reveals that brand marketing has a substantial effect on consumer perception of scientific quality.

Summary statement

As measured by the ability to control heat, I found that there is no significant different between generic and name brand motor oil.

Help received

I designed and performed the experiments myself. I got help in constructing the test stand understanding the statistical comparison of data from my father.

Competition history

  • CSEF 2018 Product Science (Physical) (Junior Division Only) · Entry J2108

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