Measure Viscosity With Marbles

The viscosities ratio simply scales as r l r and l being respectively the radius of the marble and l the characteristic thickness of the.

Measure viscosity with marbles.

But a do it yourselfer s kitchen has most of the tools necessary to obtain a simple measurement of a motor oil s viscosity. For example honey is more viscous than water. By amy cowen on august 27 2015 3 00 pm. Dropping a sphere in a liquid is one of the oldest and easiest ways to measure viscosity.

Google classroom create assignment create announcement. To our knowledge the effective viscosity of marbles has never been considered yet. By measuring how long it takes the marble to fall and how far it travels you can figure out the liquid s viscosity. Honey is a great example.

In this paper we have demonstrated that lycopodium coated marbles have an effective viscosity larger that water drops. Density is mass per unit volume of an object and is designated with a p in this equation you need to measure the density of both the sphere p s and the liquid p l it is passing through the radius of the sphere a can be found by measuring the circumference of the sphere and dividing that by 2π. Racing marbles to measure viscosity. Design an experiment to test how the viscosity of honey changes with temperature.

In our experiment the marbles took longer to sink when dropped into the jars filled with corn syrup and honey than they did when dropped into the jars filled. A fluid can be a gas or a liquid and it is easy to see that liquids are thicker than gases and therefore have higher viscosities. Can you imagine trying to swim in a pool of. Understand the variables in the viscosity equation.

Of course some liquids are more viscous than others. There are scientific ways to measure viscosity with a viscometer. Retrieve the marbles from the strainer and wash and dry the marbles and the graduated cylinder. Repeat the experiment up to this step starting from preparing the graduated cylinder to measure the viscosity of each liquid for each of the remaining test liquids.

Have you ever noticed that some liquids are more difficult than others to squeeze from a container. Viscosity is a measurement of a fluid s resistance to change or deformation or more simply put how thick it is. Although it involves some knowledge of algebra a basic experiment can measure the time it takes for a round sphere to. Viscosity can also be thought of as a measure of how thick a liquid is.