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Temperatures and Surface Tension

CSEF · 2012 Physics & Astronomy

Bronwyn K. Wedig · First Lutheran Christian Elementary School, Torrance, Los Angeles County

Overview

Objectives/Goals My goal was to find whether surface tension and temperature effect each other. Methods/Materials I used a simple scale and a dropper to measure the surface tension of various temperatures of water. Results The warmer water tended to have a lower surface tension than the cold water. Two of the variables were outliers, off the path of the other tests. Conclusions/Discussion Warmer water will tend to have a lower surface tension than cooler water. However, you will always have some tests that don't match up smoothly with the other data.

Summary statement

I tested the correlation between temperature and surface tension.

Help received

My dad helped draw a trend line with a tricky equation.

Competition history

  • CSEF 2012 Physics & Astronomy · Entry J1824

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