History of Science

How can you compare the surface tension of various liquids?


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This year my teacher made us use a transparency and we dropped water, oil, alcohol, and i think it was water with salt ...not so sure... well then we recorded which one stood together and which one separated the sure to illustrate if this is a science fair project. hope i helped if not well sorry i tried: )


Another way is to take a penny and for each type of liquid, count the number of drops that the penny can hold before the liquid's surface tension breaks.