![]() Hungry for some science, but you don’t have time for a full-course research plate? Then check out USGS Science Snippets, our snack-sized science series that focuses on the fun, weird, and fascinating stories of USGS science. Viscosity can be simply explained as the resistance caused due to friction between adjacent layers of a liquid that are in relative motion. Next EarthWord: Our next word sounds like what the British might call an outhouse. In determining what types of oil and gas are present, as well as how much is technically recoverable, viscosity of the petroleum is very important. Finally, viscosity is also a factor in our oil and gas research. Definition: Viscosity refers to a fluid’s resistance to flowing. 2 Definition Toggle Definition subsection 2.1 Dynamic viscosity 2.2 Kinematic viscosity 2.Next, in our water studies, the viscosity of both surface water and groundwater can affect all manner of things, from how fast a river flows to how deep groundwater can percolate.First, when studying the flow of lava and its effects, the viscosity of the flow can affect the speed at which the lava travels. Viscosity factors into USGS science in a number of ways. ![]() It affects how these liquids behave, and can change depending on such factors as temperature and pressure.
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