Twister in a Jar

the oatc

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Description:

The purpose of this experiment is to observe how a vortex forms. As you twist the jar, the water inside up against the glass is pulled along due to its friction again the glass walls. The fluid toward the inside takes longer to get moving. But eventually both the glass jar and the fluid are spinning as you rotate the bottle. When you stop rotating the jar, the fluid inside keeps spinning. A mini twister can be seen for just a few seconds when the outer fluid slows down and the inner fluids continue to spin rapidly. This activity includes picture supported directions and a follow up report. This art activity was created by Camber Moulton, M.S., CCC-SLP, with the Oklahoma Assistive Technology Center, University of Oklahoma Health Sciences Center, Department of Rehabilitation Sciences, in Cooperation with the Oklahoma State Department of Education, Special Education Services.