![]() ![]() Mark an ending point about 5 cm from the bottom.ħ. You can use either the top or the bottom of the tape, but use the same points for each measurement you make when you drop the spheres (step 8).Ħ. Mark with tape a convenient starting point about 2 cm below the surface of the liquid (which will allow the sphere to reach terminal velocity before you begin making measurements). Fill a cylinder with a liquid, up to about 5 cm from the top.ĥ. Enter the density of the liquid you are using (about 920 kg/m 3 for oils, 1000 for shampoos) at the top of the data table as "Fluid density."Ĥ. Enter the value at the top of the data table.ģ. Determine the density of a sphere by measuring its mass and calculating its volume. Enter the data for these materials into the Viscosity "Data Table." If necessary, measure the radius of the sphere (hint: it is easier to measure the diameter and divide by two).Ģ. Choose the spheres and liquids to use for this activity. To determine how fluid a liquid really is by measuring its viscosity.ġ. ![]() ![]() Activity: Viscosity Hawai'i Space Grant Consortium, Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, 1996 ![]()
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